First pass at 'push' support for Ping and Sync
Properly escape some control chars (and generalized it)
Disabled debugging...
Improve deleting occurences of recurrent events
Replace VARCHAR(1000000) by TEXT field type

Fixes #2516
Moved DN cache to SOGoCache
Fix caching of DN in LDAP source
Encode HTML entities for inline forwards in text

Fixes #2411
Update translations
Fixed broken encoding of single-value element
Escape HTML in JSON of calendar module

Fixes #2598
Extended GetItemEstimate to GCS collections
Update translations
Fixed the non-filtering of recurrence exceptions
Mapped lots of contact properties
Now make use of a NGMimeFileData object to avoid broken SOPE behaviour
Fix handling of ACLs with multiple groups

Fixes #1854
Fix static array retain
Don't use the HTML editor with Internet Explorer 7
Fixed contact sync'ing on Android