ModulesConstraints tests all values of a multi-valued attributes
Fix for bug #2654
Fix for #2695
Fix tests to handle list-component
Added new configuration parameter to limit the window size
Properly escape attendee names in case they contain HTML entities
Fixed once more true/false errors
Now include message/rfc822 parts as attachments when forwarding mails
Fixed gcc warnings and added some rationale around yesterday's fix
Add missing localizable string
Fix CSS in contact editor and preferences module
Fix display of category of events

Fixes #2703
Update datepicker to latest version

From https://github.com/eternicode/bootstrap-datepicker/
adding button print calendar toolbar, adding template for the print window, ajusting indentation
Creation of the first version of the printing interface
Events list is done.
Finished the view, need to display the eventsblock
Fix for bug #2721
MailEditor: fix text conversion with HTML entities
Fix for bug #2733