diff --git a/browser/common.py b/browser/common.py
index a6bd733..bbb9c1e 100755
--- a/browser/common.py
+++ b/browser/common.py
@@ -1010,7 +1010,7 @@ class BaseView(GenericView, I18NView, SortableMixin):
     def registerDojoComboBox(self):
         self.registerDojo()
         jsCall = ('dojo.require("dijit.form.ComboBox");')
-        self.controller.macros.register('js-execute', 
+        self.controller.macros.register('js-execute',
                 'dojo.require.ComboBox', jsCall=jsCall)
 
     def registerDojoFormAll(self):
@@ -1066,6 +1066,7 @@ class LoggedIn(object):
             params = parse_qsl(qs)
         params = [(k, v) for k, v in params if k != 'loops.messages.top:record']
         params.append(('loops.messages.top:record', message.encode('UTF-8')))
+        url = url.encode('utf-8')
         return '%s?%s' % (url, urlencode(params))
 
 # vocabulary stuff
diff --git a/browser/node.py b/browser/node.py
index e38983f..12bc893 100755
--- a/browser/node.py
+++ b/browser/node.py
@@ -954,7 +954,8 @@ class NodeTraverser(ItemTraverser):
         if context.nodeType == 'menu':
             setViewConfiguration(context, request)
         if name == '.loops':
-            return self.context.getLoopsRoot()
+            name = self.getTargetUid(request)
+            #return self.context.getLoopsRoot()
         if name.startswith('.'):
             name = self.cleanUpTraversalStack(request, name)[1:]
             target = self.getTarget(name)
@@ -981,17 +982,34 @@ class NodeTraverser(ItemTraverser):
         obj = super(NodeTraverser, self).publishTraverse(request, name)
         return obj
 
+    def getTargetUid(self, request):
+        parent = self.context.getLoopsRoot()
+        stack = request._traversal_stack
+        for i in range(2):
+            name = stack.pop()
+            obj = parent.get(name)
+            if not obj:
+                return name
+            parent = obj
+        return '.' + util.getUidForObject(obj)
+
     def cleanUpTraversalStack(self, request, name):
-        traversalStack = request._traversal_stack
-        while traversalStack and traversalStack[0].startswith('.'):
+        #traversalStack = request._traversal_stack
+        #while traversalStack and traversalStack[0].startswith('.'):
             # skip obsolete target references in the url
-            name = traversalStack.pop(0)
+        #    name = traversalStack.pop(0)
         traversedNames = request._traversed_names
-        if traversedNames:
-            lastTraversed = traversedNames[-1]
-            if lastTraversed.startswith('.') and lastTraversed != name:
+        for n in list(traversedNames):
+            if n.startswith('.'):
+                # remove obsolete target refs
+                traversedNames.remove(n)
+        #if traversedNames:
+        #    lastTraversed = traversedNames[-1]
+        #    if lastTraversed.startswith('.') and lastTraversed != name:
                 # let <base .../> tag show the current object
-                traversedNames[-1] = name
+        #        traversedNames[-1] = name
+        # let <base .../> tag show the current object
+        traversedNames.append(name)
         return name
 
     def getTarget(self, name):
diff --git a/data/loops_std_de.dmp b/data/loops_std_de.dmp
index 3bb354a..4f5c97c 100644
--- a/data/loops_std_de.dmp
+++ b/data/loops_std_de.dmp
@@ -1,6 +1,8 @@
 # types
 type(u'query', u'Abfrage', options=u'',
     typeInterface='loops.expert.concept.IQueryConcept', viewName=u'')
+type(u'datatable', u'Datentabelle', options=u'action.portlet:edit_concept',
+    typeInterface='loops.table.IDataTable', viewName=u'')
 type(u'task', u'Aufgabe', options=u'',
     typeInterface='loops.knowledge.interfaces.ITask', viewName=u'')
 type(u'domain', u'Bereich', options=u'', typeInterface=u'', viewName=u'')
diff --git a/data/loops_std_update_de.dmp b/data/loops_std_update_de.dmp
new file mode 100644
index 0000000..23c9be3
--- /dev/null
+++ b/data/loops_std_update_de.dmp
@@ -0,0 +1,9 @@
+# update for old loops sites
+
+type(u'datatable', u'Datentabelle', options=u'action.portlet:edit_concept',
+    typeInterface='loops.table.IDataTable', viewName=u'')
+
+concept(u'issubtype', u'is Subtype', u'predicate')
+
+child(u'general', u'issubtype', u'datatable')
+child(u'system', u'issubtype', u'standard')
diff --git a/external/pyfunc.py b/external/pyfunc.py
index 83a0293..b4f7969 100644
--- a/external/pyfunc.py
+++ b/external/pyfunc.py
@@ -44,11 +44,15 @@ class PyReader(object):
 
 class InputProcessor(dict):
 
+    _constants = dict(True=True, False=False)
+
     def __init__(self):
         self.elements = []
-        self['__builtins__'] = {}   # security!
+        self['__builtins__'] = dict()   # security!
 
     def __getitem__(self, key):
+        if key in self._constants:
+            return self._constants[key]
         def factory(*args, **kw):
             element = elementTypes[key](*args, **kw)
             if key in toplevelElements:
diff --git a/integrator/browser.py b/integrator/browser.py
index aeafa87..e76c012 100644
--- a/integrator/browser.py
+++ b/integrator/browser.py
@@ -44,5 +44,7 @@ class ExternalCollectionView(ConceptView):
             cta.update()
             if cta.updateMessage is not None:
                 self.request.form['message'] = cta.updateMessage
+            if 'no_show_page' in self.request.form:
+                return False
         return True
 
diff --git a/integrator/collection.py b/integrator/collection.py
index 167974b..b33fe4f 100644
--- a/integrator/collection.py
+++ b/integrator/collection.py
@@ -24,8 +24,10 @@ file system.
 from datetime import datetime
 from logging import getLogger
 import os, re, stat
+import transaction
 
 from zope.app.container.interfaces import INameChooser
+from zope.app.container.contained import ObjectRemovedEvent
 from zope.cachedescriptors.property import Lazy
 from zope import component
 from zope.component import adapts
@@ -51,6 +53,8 @@ from loops.versioning.interfaces import IVersionable
 
 TypeInterfaceSourceList.typeInterfaces += (IExternalCollection,)
 
+logger = getLogger('loops.integrator.collection')
+
 
 class ExternalCollectionAdapter(AdapterBase):
     """ A concept adapter for accessing an external collection.
@@ -66,7 +70,7 @@ class ExternalCollectionAdapter(AdapterBase):
 
     newResources = None
     updateMessage = None
-
+    
     def getExclude(self):
         return getattr(self.context, '_exclude', None) or []
     def setExclude(self, value):
@@ -83,10 +87,11 @@ class ExternalCollectionAdapter(AdapterBase):
                     print '###', vaddr, vobj, vid
                     versions.add(vaddr)
         new = []
-        oldFound = []
+        oldFound = set([])
         provider = component.getUtility(IExternalCollectionProvider,
                                         name=self.providerName or '')
         #print '*** old', old, versions, self.lastUpdated
+        changeCount = 0
         for addr, mdate in provider.collect(self):
             #print '***', addr, mdate
             if addr in versions:
@@ -94,8 +99,9 @@ class ExternalCollectionAdapter(AdapterBase):
             if addr in old:
                 # may be it would be better to return a file's hash
                 # for checking for changes...
-                oldFound.append(addr)
+                oldFound.add(addr)
                 if self.lastUpdated is None or (mdate and mdate > self.lastUpdated):
+                    changeCount +=1
                     obj = old[addr]
                     # update settings and regenerate scale variant for media asset
                     adobj = adapted(obj)
@@ -110,29 +116,41 @@ class ExternalCollectionAdapter(AdapterBase):
                         self.updateMessage = message
                     # force reindexing
                     notify(ObjectModifiedEvent(obj))
+                    if changeCount % 10 == 0:
+                        logger.info('Updated: %i.' % changeCount)
+                        transaction.commit()
             else:
                 new.append(addr)
+        logger.info('%i objects updated.' % changeCount)
+        transaction.commit()
         if new:
             self.newResources = provider.createExtFileObjects(self, new)
             for r in self.newResources:
                 self.context.assignResource(r)
+        logger.info('%i objects created.' % len(new))
+        transaction.commit()
         for addr in old:
             if str(addr) not in oldFound:
                 # not part of the collection any more
                 # TODO: only remove from collection but keep object?
                 self.remove(old[addr])
+        transaction.commit()
         for r in self.context.getResources():
             adobj = adapted(r)
             if self.metaInfo != adobj.metaInfo and (
                                     not adobj.metaInfo or self.overwriteMetaInfo):
                     adobj.metaInfo = self.metaInfo
         self.lastUpdated = datetime.today()
+        logger.info('External collection updated.')
+        transaction.commit()
 
     def clear(self):
         for obj in self.context.getResources():
             self.remove(obj)
 
     def remove(self, obj):
+        logger.info('Removing object: %s.' % getName(obj))
+        notify(ObjectRemovedEvent(obj))
         del self.resourceManager[getName(obj)]
 
     @Lazy
@@ -187,7 +205,7 @@ class DirectoryCollectionProvider(object):
                                 for k, v in self.extFileTypeMapping.items())
         container = client.context.getLoopsRoot().getResourceManager()
         directory = self.getDirectory(client)
-        for addr in addresses:
+        for idx, addr in enumerate(addresses):
             name = self.generateName(container, addr)
             title = self.generateTitle(addr)
             contentType = guess_content_type(addr,
@@ -200,9 +218,8 @@ class DirectoryCollectionProvider(object):
                 if extFileType is None:
                     extFileType = extFileTypes['image/*']
             if extFileType is None:
-                getLogger('loops.integrator.collection.DirectoryCollectionProvider'
-                            ).warn('No external file type found for %r, '
-                                   'content type: %r' % (name, contentType))
+                logger.warn('No external file type found for %r, '
+                            'content type: %r' % (name, contentType))
             obj = addAndConfigureObject(
                             container, Resource, name,
                             title=title,
@@ -219,6 +236,9 @@ class DirectoryCollectionProvider(object):
                 message = client.updateMessage or u''
                 message += u'<br />'.join(adobj.processingErrors)
                 client.updateMessage = message
+            if idx and idx % 10 == 0:
+                logger.info('Created: %i.' % idx)
+                transaction.commit()
             yield obj
 
     def getDirectory(self, client):
diff --git a/integrator/collection_macros.pt b/integrator/collection_macros.pt
index 8c3e898..57e5a4b 100644
--- a/integrator/collection_macros.pt
+++ b/integrator/collection_macros.pt
@@ -2,7 +2,7 @@
 
 
 <metal:block define-macro="render_collection"
-             tal:define="dummy item/update">
+             tal:condition="item/update">
 
   <metal:block use-macro="view/concept_macros/conceptdata">
     <metal:fill tal:condition="item/editable"
diff --git a/knowledge/survey/base.py b/knowledge/survey/base.py
index cacdcc7..3d0bc28 100644
--- a/knowledge/survey/base.py
+++ b/knowledge/survey/base.py
@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2013 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2015 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -46,11 +46,17 @@ class Questionnaire(AdapterBase, Questionnaire):
 
     @property
     def questionGroups(self):
+        return self.getQuestionGroups()
+
+    def getQuestionGroups(self, personId=None):
         return [adapted(c) for c in self.context.getChildren()]
 
     @property
     def questions(self):
-        for qug in self.questionGroups:
+        return self.getQuestions()
+
+    def getQuestions(self, personId=None):
+        for qug in self.getQuestionGroups(personId):
             for qu in qug.questions:
                 #qu.questionnaire = self
                 yield qu
@@ -65,12 +71,18 @@ class QuestionGroup(AdapterBase, QuestionGroup):
                 'questionnaire', 'questions', 'feedbackItems')
     _noexportAttributes = _adapterAttributes
 
-    @property
-    def questionnaire(self):
+    def getQuestionnaires(self):
+        result = []
         for p in self.context.getParents():
             ap = adapted(p)
             if IQuestionnaire.providedBy(ap):
-                return ap
+                result.append(ap)            
+        return result
+
+    @property
+    def questionnaire(self):
+        for qu in self.getQuestionnaires():
+            return qu
 
     @property
     def subobjects(self):
diff --git a/knowledge/survey/browser.py b/knowledge/survey/browser.py
index 48a341f..bf2f6cd 100644
--- a/knowledge/survey/browser.py
+++ b/knowledge/survey/browser.py
@@ -52,7 +52,7 @@ class SurveyView(InstitutionMixin, ConceptView):
 
     template = template
 
-    adminMaySelectAllInstitutions = False
+    #adminMaySelectAllInstitutions = False
 
     @Lazy
     def macro(self):
@@ -62,9 +62,8 @@ class SurveyView(InstitutionMixin, ConceptView):
     @Lazy
     def title(self):
         title = self.context.title
-        personId = self.request.form.get('person')
-        if personId:
-            person = adapted(getObjectForUid(personId))
+        if self.personId:
+            person = adapted(getObjectForUid(self.personId))
             if person is not None:
                 return '%s: %s' % (title, person.title)
         return title
@@ -80,6 +79,10 @@ class SurveyView(InstitutionMixin, ConceptView):
             return ''
         return qs
 
+    @Lazy
+    def personId(self):
+        return self.request.form.get('person')
+
     @Lazy
     def report(self):
         return self.request.form.get('report')
@@ -104,7 +107,8 @@ class SurveyView(InstitutionMixin, ConceptView):
     def groups(self):
         result = []
         if self.questionnaireType == 'pref_selection':
-            groups = [g.questions for g in self.adapted.questionGroups]
+            groups = [g.questions for g in 
+                self.adapted.getQuestionGroups(self.personId)]
             questions = []
             for idxg, g in enumerate(groups):
                 qus = []
@@ -118,7 +122,7 @@ class SurveyView(InstitutionMixin, ConceptView):
                                    questions=questions[idx:idx+3]))
             return [g for g in result if len(g['questions']) == 3]
         if self.adapted.noGrouping:
-            questions = list(self.adapted.questions)
+            questions = list(self.adapted.getQuestions(self.personId))
             questions.sort(key=lambda x: x.title)
             size = len(questions)
             bs = self.batchSize
@@ -126,7 +130,7 @@ class SurveyView(InstitutionMixin, ConceptView):
                 result.append(dict(title=u'Question', infoText=None, 
                                    questions=questions[idx:idx+bs]))
         else:
-            for group in self.adapted.questionGroups:
+            for group in self.adapted.getQuestionGroups(self.personId):
                 result.append(dict(title=group.title, 
                                    infoText=self.getInfoText(group),
                                    questions=group.questions))
@@ -185,8 +189,8 @@ class SurveyView(InstitutionMixin, ConceptView):
                 uid = self.getUidForObject(c)
                 data = respManager.load(uid, instUid)
                 if data:
-                    resp = Response(self.adapted, None)
-                    for qu in self.adapted.questions:
+                    resp = Response(self.adapted, self.personId)
+                    for qu in self.adapted.getQuestions(self.personId):
                         if qu.questionType in (None, 'value_selection'):
                             if qu.uid in data:
                                 value = data[qu.uid]
@@ -195,7 +199,7 @@ class SurveyView(InstitutionMixin, ConceptView):
                         else:
                             resp.texts[qu] = data.get(qu.uid) or u''
                     qgAvailable = True
-                    for qg in self.adapted.questionGroups:
+                    for qg in self.adapted.getQuestionGroups(self.personId):
                         if qg.uid in data:
                             resp.values[qg] = data[qg.uid]
                         else:
@@ -227,7 +231,7 @@ class SurveyView(InstitutionMixin, ConceptView):
         if self.adapted.questionnaireType == 'pref_selection':
             return self.prefsResults(respManager, form, action)
         data = {}
-        response = Response(self.adapted, None)
+        response = Response(self.adapted, self.personId)
         for key, value in form.items():
             if key.startswith('question_'):
                 if value != 'none':
@@ -265,7 +269,7 @@ class SurveyView(InstitutionMixin, ConceptView):
         respManager = Responses(self.context)
         self.teamData = self.getTeamData(respManager)
         response = Response(self.adapted, None)
-        groups = self.adapted.questionGroups
+        groups = self.adapted.getQuestionGroups(self.personId)
         teamValues = response.getTeamResult(groups, self.teamData)
         for idx, r in enumerate(teamValues):
             group = r['group']
@@ -314,7 +318,7 @@ class SurveyView(InstitutionMixin, ConceptView):
         #self.errors = self.check(response)
         if self.errors:
             return []
-        for group in self.adapted.questionGroups:
+        for group in self.adapted.getQuestionGroups(self.personId):
             score = 0
             for qu in group.questions:
                 value = data.get(qu.uid) or 0
@@ -327,13 +331,13 @@ class SurveyView(InstitutionMixin, ConceptView):
     def check(self, response):
         errors = []
         values = response.values
-        for qu in self.adapted.questions:
+        for qu in self.adapted.getQuestions(self.personId):
             if qu.required and qu not in values:
                 errors.append(dict(uid=qu.uid,
                     text='Please answer the obligatory questions.'))
                 break
         qugroups = {}
-        for qugroup in self.adapted.questionGroups:
+        for qugroup in self.adapted.getQuestionGroups(self.personId):
             qugroups[qugroup] = 0
         for qu in values:
             qugroups[qu.questionGroup] += 1
diff --git a/organize/browser/party.py b/organize/browser/party.py
index 6256d2a..afcf656 100644
--- a/organize/browser/party.py
+++ b/organize/browser/party.py
@@ -1,5 +1,5 @@
 #
-#  Copyright (c) 2011 Helmut Merz helmutm@cy55.de
+#  Copyright (c) 2015 Helmut Merz helmutm@cy55.de
 #
 #  This program is free software; you can redistribute it and/or modify
 #  it under the terms of the GNU General Public License as published by
@@ -133,6 +133,10 @@ class SendEmailForm(NodeView):
 
     __call__ = innerHtml
 
+    def checkPermissions(self):
+        return (not self.isAnonymous and 
+                super(SendEmailForm, self).checkPermissions())
+
     @property
     def macro(self):
         return organize_macros.macros['send_email']
@@ -181,12 +185,16 @@ class SendEmailForm(NodeView):
 
 class SendEmail(FormController):
 
+    def checkPermissions(self):
+        return (not self.isAnonymous and 
+                super(SendEmail, self).checkPermissions())
+
     def update(self):
         form = self.request.form
         subject = form.get('subject') or u''
         message = form.get('mailbody') or u''
         recipients = form.get('recipients') or []
-        recipients += (form.get('addrRecipients') or u'').split('\n')
+        recipients += (form.get('addrecipients') or u'').split('\n')
         # TODO: remove duplicates
         person = getPersonForUser(self.context, self.request)
         sender = person and adapted(person).email or 'loops@unknown.com'
diff --git a/organize/browser/view_macros.pt b/organize/browser/view_macros.pt
index 93ef80e..551933a 100644
--- a/organize/browser/view_macros.pt
+++ b/organize/browser/view_macros.pt
@@ -123,20 +123,23 @@
       <div class="heading">
         <span i18n:translate="">Send Link by Email</span> -
         <span tal:content="view/target/title"></span></div>
-      <div>
-        <label i18n:translate="" for="subject">Subject</label>
+      <metal:content define-macro="mail_content">
         <div>
-          <input name="subject" id="subject" style="width: 60em"
-                 dojoType="dijit.form.ValidationTextBox" required
-                 tal:attributes="value view/subject" /></div>
-      </div>
-      <div>
-        <label i18n:translate="" for="mailbody">Mail Body</label>
+          <label i18n:translate="" for="subject">Subject</label>
+          <div>
+            <input name="subject" id="subject" style="width: 60em"
+                   dojoType="dijit.form.ValidationTextBox" required
+                   tal:attributes="value view/subject" /></div>
+        </div>
         <div>
-          <textarea name="mailbody" cols="80" rows="4" id="mailbody"
-                    dojoType="dijit.form.SimpleTextarea" style="width: 60em"
-                    tal:content="view/mailBody"></textarea></div>
-      </div>
+          <label i18n:translate="" for="mailbody">Mail Body</label>
+          <div>
+            <textarea name="mailbody" cols="80" rows="4" id="mailbody"
+                      dojoType="dijit.form.SimpleTextarea" style="width: 60em"
+                      tal:attributes="rows view/contentHeight|string:4"
+                      tal:content="view/mailBody"></textarea></div>
+        </div>
+      </metal:content>
       <div>
         <label i18n:translate="">Recipients</label>
         <div tal:repeat="member view/members">
diff --git a/organize/party.py b/organize/party.py
index 64247b3..0fbc05b 100644
--- a/organize/party.py
+++ b/organize/party.py
@@ -24,6 +24,7 @@ from persistent.mapping import PersistentMapping
 from zope import interface, component
 from zope.app.principalannotation import annotations
 from zope.app.security.interfaces import IAuthentication, PrincipalLookupError
+from zope.app.security.interfaces import IUnauthenticatedPrincipal
 from zope.component import adapts
 from zope.interface import implements
 from zope.cachedescriptors.property import Lazy
@@ -60,10 +61,10 @@ def getPersonForUser(context, request=None, principal=None):
     if context is None:
         return None
     if principal is None:
-        if request is None:
-            principal = getCurrentPrincipal()
-        else:
+        if request is not None:
             principal = getattr(request, 'principal', None)
+        else:
+            principal = getPrincipal(context)
     if principal is None:
         return None
     loops = context.getLoopsRoot()
@@ -78,6 +79,15 @@ def getPersonForUser(context, request=None, principal=None):
     return pa.get(util.getUidForObject(loops))
 
 
+def getPrincipal(context):
+    principal = getCurrentPrincipal()
+    if principal is not None:
+        if IUnauthenticatedPrincipal.providedBy(principal):
+            return None
+        return principal
+    return None
+
+
 class Person(AdapterBase, BasePerson):
     """ typeInterface adapter for concepts of type 'person'.
     """
diff --git a/organize/tracking/report.pt b/organize/tracking/report.pt
index 41ee48f..a34ed9f 100644
--- a/organize/tracking/report.pt
+++ b/organize/tracking/report.pt
@@ -79,7 +79,7 @@
         <tal:version tal:condition="view/useVersioning">
           <td class="center"
               tal:define="version object/version">
-            <a tal:omit-tag="python: version == '1.1'"
+            <a tal:omit-tag="python: version in ('1.1', '1', '')"
                tal:attributes="href string:$url?loops.viewName=listversions"
                tal:content="version">1.1</a>
           </td>
diff --git a/organize/tracking/report.py b/organize/tracking/report.py
index d1ee35e..a019865 100644
--- a/organize/tracking/report.py
+++ b/organize/tracking/report.py
@@ -275,7 +275,9 @@ class TrackDetails(BaseView):
         else:
             title = view.listingTitle
         versionable = IVersionable(self.object, None)
-        version = versionable is not None and versionable.versionId or ''
+        version = ((versionable is not None and 
+                    not (versionable.notVersioned) and 
+                    versionable.versionId) or '')
         return dict(object=obj, title=title,
                     type=self.longTypeTitle, url=url, version=version,
                     canAccess=canAccessObject(obj))