implement localizations based on punic
adding unit tests for en_GB and en-GB - just to verify
fixing expected values for formatDate() unit tests
Update 3rdparty submodule
disable database migration unit tests for MSSQL
Merge pull request #11549 from owncloud/add-more-localizations-master

implement localizations based on punic
Setting moment locale based on user selection
Remove unreachable statement
Load avatar in header via PHP

* fix #7484
* use UID, css, and div instead of span
add avatardiv-shown class to bring back mobile style
Prevent division by zero

Potentially fixes https://github.com/owncloud/core/issues/11742
Merge pull request #11751 from owncloud/fix-unreachable-statement

Remove unreachable statement
Merge pull request #7749 from owncloud/load_avatar_header_via_php

Load avatar in header via PHP
[tx-robot] updated from transifex
Make files non executable

There is not much sense in having these files marked executable, we should avoid that.
Merge pull request #11754 from owncloud/fix-division-null

Prevent division by zero
Merge pull request #11758 from owncloud/fix-permissions

Make files non executable
Add \OC\TempManager to handle creating and cleaning temporary files
Use the TempManager to handle temporary files
Use function outside of loop

Otherwise the function is executed n times which is a lot of overhead