Log Message:
Update SOGo to 2.3.12, including security fix.

2.3.12 (2016-06-10)
-------------------

Enhancements
 - [web] updated CKEditor to version 4.5.9
 - [web] CKEditor: switched to the minimalist skin
 - [web] CKEditor: added the base64image plugin
 - [web] CKEditor: added the pastefromword plugin (#2295, #3313)
 - [web] added Turkish (Turkey) (tr_TR) translation - thanks to Sinan \ 
Kurşunoğlu

Bug fixes
 - [core] sanity checks for events with bogus timezone offsets
 - [core] strip X- tags when securing content (#3695)
 - [core] properly handle flattened timezone definitions (#2690)
 - [eas] when using EAS/ItemOperations, use IMAP PEEK operation
 - [web] fixed recipients when replying from a message in the Sent mailbox (#2625)
 - [web] fixed localizable strings in Card viewer
 - [web] properly encode HTML attributes in Contacts module to avoid XSS issues
 - [web] handle c_mail field format of quick record of contacts of v3 (#3443)
 - [web] fixed all-day events covering a timezone change (#3457)
 - [web] fixed display of invitation with a category (#3590)

2.3.11 (2016-04-XX)
-------------------

Bug fixes
 - properly escape organizer name when using EAS (#3615)
 - properly escape wide characters (#3616)
 - calendars list when creating a new component in a calendar in which the user
   can't delete components
 - avoid double-appending domains in cache for multi-domain configurations (#3614)
 - encode CR in EAS payload (#3626)
 - password change during login process when using ppolicy
 - correctly set answered/forwarded flags during EAS smart operations
 - don't mark calendar invitations as read when fetching messages using EAS
 - fixed messages archiving as zip file
 - fixed multidomain issue with non-unique ID accross domains (#3625)
 - fixed bogus headers generation when stripping folded bcc header (#3664)
 - fixed issue with multi-value org units (#3630)
 - fixed senstive range of checkboxes in appointment editor (#3665)

2.3.10 (2016-04-05)
-------------------

New features
 - new user-based rate-limiting support for all SOGo requests (#3188)

Bug fixes
 - respect the LDAP attributes mapping in the list view
 - handle empty body data when forwarding mails (#3581)
 - correctly set EAS message class for S/MIME messages (#3576)
 - we now handle the default classifications for tasks (#3541)
 - handle FilterType changes using EAS (#3543)
 - handle Dovecot's mail_shared_explicit_inbox parameter when using EAS
 - prevent concurrent Sync ops from same EAS device (#3603)
 - handle EAS loop termination when SOGo is being shutdown (#3604)
 - avoid marking mails as read when archiving a folder (#2792)
 - now cache heartbeat interval and folders list during EAS Ping ops (#3606)
 - sanitize non-us-ascii 7bit emails when using EAS (#3592)

2.3.9 (2016-03-16)
------------------

New features
 - you can now limit the file upload size using the WOMaxUploadSize
   configuration parameter (integer value in kilobytes) (#3510, #3135)

Enhancements
 - allow resources to prevent invitations (#3410)
 - now support EAS MIME truncation
 - added Lithuanan (lt) translation - thanks to Mantas Liobė

Bug fixes
 - allow EAS attachments get on 2nd-level mailboxes (#3505)
 - fixed EAS bday shift (#3518)
 - prefer SOGoRefreshViewCheck to SOGoMailMessageCheck (#3465)
 - properly unfold long mail headers (#3152)