Merge pull request nextcloud#1606 from nextcloud/200RC8 Prepare release 2.0.0RC8
daily dev 20170930
daily dev 20170928
daily dev 20170927
daily dev 20170926
Merge pull request nextcloud#1576 from nextcloud/200rc7 RC7
daily dev 20170921
Merge pull request nextcloud#1505 from nextcloud/improve-authentication Fix for authentication/favorite/etc
also extract this one...
[tx-robot] updated from transifex