Log Message:
Update SOGo to 2.3.8.

2.3.8 (2016-02-05)
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Enhancements
 - updated CKEditor to version 4.5.7

Bug fixes
 - correctly encode filename of attachments over EAS (#3491)
 - correctly encode square brackets for IMAP folder names (#3321)
 - add shared/public namespaces in the list or returned folders

2.3.7 (2016-01-25)
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New features
 - new junk/not junk capability with generic SMTP integration

Enhancements
 - newly created folders using EAS are always sync'ed by default (#3454)
 - added Croatian (hr_HR) translation - thanks to Jens Riecken

Bug fixes
 - now always generate invitation updates when using EAS
 - rewrote the string sanitization to be 32-bit Unicode safe
 - do not try to decode non-wbxml responses for debug output (#3444)

2.3.6 (2016-01-18)
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New features
 - now able to sync only default mail folders when using EAS

Enhancements
 - unit testing for RTFHandler
 - JUnit output for sogo-tests

Bug fixes
 - don't unescape twice mail folder names (#3423)
 - don't consider mobile Outlook EAS clients as DAV ones (#3431)
 - we now follow 301 redirects when fetching ICS calendars
 - when deleting an event using EAS, properly invoke the auto-scheduling code
 - do not include failure attachments (really long filenames)
 - fix encoding of email subjects with non-ASCII characters
 - fix appointment notification mails using SOGoEnableDomainBasedUID configuration
 - fix shifts in event times on Outlook

2.3.5 (2016-01-05)
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Enhancements
 - return an error to openchange if mail message delivery fails
 - return the requested elements on complex requests from Outlook when \ 
downloading changes
 - user sources can be loaded dynamically
 - unify user sources API
 - updated Russian translation (#3383)

Bug fixes
 - properly compute the last week number for the year (#1010)
 - share calendar, tasks and contacts folders in Outlook 2013 with editor permissions
 - priorize filename in Content-Disposition against name in Content-Type to get \ 
the filename of an attachment in mail
 - request all contacts when there is no filter in Contacts menu in Webmail
 - personal contacts working properly on Outlook
 - fixes on RTF parsing used by event/contact description and mail as RTF to \ 
read non-ASCII characters:
   better parsing of font table, when using a font, switch to its character set, \ 
correct parsing of
   escaped characters and Unicode character command word support for unicode \ 
characters greater than 32767
 - no crash resolving recipients after reconnecting LDAP connection
 - avoid creation of phantom contacts in SOGo from distribution list synced from \ 
Outlook.
 - accepted & updated event names are now shown correctly in Outlook
 - provide safe guards in mail and calendar to avoid exceptions while syncing

2.3.4 (2015-12-15)
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New features
 - initial support for EAS calendar exceptions

Enhancements
 - limit the maximum width of toolbar buttons (#3381)

Bug fixes
 - JavaScript exception when printing events from calendars with no assigned \ 
color (#3203)
 - EAS fix for wrong charset being used (#3392)
 - EAS fix on qp-encoded subjects (#3390)
 - correctly handle all-day event exceptions when the master event changes
 - prevent characters in calendar component UID causing issues during import process
 - avoid duplicating attendees when accepting event using a different identity \ 
over CalDAV