fix the config option to remove the ability for users to set their displayname
Replace static usage of OC_Config and OC_Preferences with the injected \OC\ConfigAll
Merge branch 'master' into user-no-change-displayname
Pass config object in testGetHomeNotSupported
[tx-robot] updated from transifex
Return SPACE_UNKNOWN if disk_free_space is disabled when getting the free space on a local storage
Merge pull request #6513 from owncloud/user-no-change-displayname

Re-add the config options to remove the ability for users to change their displayname
Make OC_Avatar unit tests independent of currently loggedin user
Merge pull request #6609 from owncloud/avatar-test-user

Make OC_Avatar unit tests independent of currently loggedin user
Merge pull request #6605 from owncloud/free_space_disabled

Return SPACE_UNKNOWN if disk_free_space is disabled
Merge remote-tracking branch 'upstream/master' into 3rdparty-psr0