Log Message:
Update to 2.2.3

Changelog:
Release 2.2.3 August 8th 2016

    SyncEngine: Fix detection of backup (#5104)
    Fix bug with overriding URL in config (#5016)
    Sharing: Fix bug with file names containing percent encodes (#5042, #5043)
    Sharing: Permissions for federated shares on servers >=9.1 (#4996, #5001)
    Overlays: Fix issues with file name casing on OS X and Windows
    Windows: Skip symlinks and junctions again (#5019)
    Only accept notification API Capability if endpoint is OCS-enabled (#5034)
    Fix windows HiDPI (#4994)
    SocketAPI: Use different pipe name to avoid unusual delay (#4977)
    Tray: Add minimal mode as workaround and testing tool for Linux issues \ 
(#4985, #4990)
    owncloudcmd: Fix --exclude regression #4979
    Small memleak: Use the full file stat destructors (#4992)
    Fix small QAction memleak (#5008)
    Fix crash on shutting down during propagation (#4979)
    Decrease memory usage during sync (#4979)
    Fix a deadlock when shutting down during discovery (#4993)
    Setup csync logging earlier to get all log output (#4991)
    Enable Shibboleth debug view with OWNCLOUD_SHIBBOLETH_DEBUG env

Release 2.2.2 June 21st 2016

    Excludes: Don't redundantly add the same exclude files (#4967, #4988)
    Excludes: Only log if the pattern was really logged. (#4989)

Release 2.2.1 June 6th 2016

    Fix out of memory error when too many uploads happen (#4611)
    Fix display errors in progress display (#4803, #4856)
    LockWatcher: Remember to upload files after they become unlocked (#4865)
    Fix overlay icons for files with umlauts (#4884)
    Certs: Re-ask for different cert after rejection (#4898, #4911)
    Progress: Don't count items without propagation jobs (#4856, #4910)
    Utility: Fix for the translation of minutes, second (#4855)
    SyncEngine: invalid the blacklist entry when the rename destination change
    Several fixes to speed up reconnect after connection changes
    Updater: Fix small memory leak
    Linux: Revert forced HiDPI detection settings (#4840, #4861)

Release 2.2.0 May 12th 2016

    Overlay icons: Refactoring - mainly for performance improvements
    Improved error handling with Sync Journal on USB storages (#4632)
    Sharing Completion: Improved UI of completion in sharing from desktop. (#3737)
    Show server notifications on the client (#3733)
    Improved Speed with small files by dynamic parallel request count (#4529)
    LockWatcher: Make sure to sync files after apps released exclusive locks on \ 
Windows.
    Improved handling of Win32 file locks and network files
    Workaround Ubuntu 16.04 tray icon bug (#4693)
    Removed the Alias field from the folder definition (#4695)
    Improved netrc parser (#4691)
    Improved user notifications about ignored files and conflicts (#4761, #3222)
    Add warnings for old server versions (#4523)
    Enable tranportation checksums if the server supports based on server \ 
capabilities (#3735)
    Default Chunk-size changed to 10MB (#4354)
    Documentation Improvements, ie. about overlay icons
    Translation fixes
    Countless other bugfixes
    Sqlite Update to recent version
    Update of QtKeyChain to support Windows credential store