ZSQLCatalog: Drop explicit profiling integration.

Use pprofile instead for your profiling needs.
ERP5Type: Add XMLUtils.
erp5_administration: Add script to cleanup roles_and_users mappings.

Cleans up both the table and it persistent symmetric using current catalog
data.
Combine new post and RSS for better visual appearance. Do remove hard coded staff and let themes who use it override it with CSS
CSS-like string in comment is removed in safe_html with Python 2.7.7 or later.
test: recent 'file' returns application/vnd.ms-office as mime-type for Excel files.

also re-export *.doc and *.xls files using recent Libre Office.
update functional test to follow changes in erp5_discussion.
Alarm_acceptSubmittedCredentialList: Activate "accept" transition.

This removes the need for limitting the number of documents to
process in a single transaction, thanks to searchAndActivate.
Also, handle catalog desynchronisation gracefuly in the event
of accept/accept race condition.
credential_interaction_workflow/scripts/Call_alarmActiveSense: Simplify.

Save one reindexation activity if alarm is not triggered.
Drop single-use locals.
Drop comment telling what the code already expresses.
CMFActivity: Set transaction user and note when executing Message.

In normal Zope usage, ZPublisher does this. TimerServer does not provide
publisher with a request (which would be irrelevant anyway), so
CMFActivity-managed transactions notes are empty.
Notes are useful to identify the cause of an object modification, so set
them in CMFActivity.
support 304 (Not Modified) response where we support caching policy manager.
support 'Cache-Control: public' in Accelerated HTTP Cache Manager.
Test: warn before removing static files
ui test: chain Bar to foo_workflow
Test folder workflow action on a module containing multiple portal types
Folder Worklow Action: fix for modules containing objects of different portal types
Accounting: Fix bug with closing period when all accounts have 0 balance
erp5.util: Update slapos command line calls
erp5.util: Release 0.4.39
erp5.util: Bugfix for erp5.util.testnode.__init__