merge master into filesystem

apps/files/admin.php

apps/files/ajax/upload.php

apps/files/l10n/bn_BD.php

apps/files/l10n/el.php

apps/files/l10n/hu_HU.php

apps/files/l10n/is.php

apps/files/l10n/nb_NO.php

apps/files/l10n/ro.php

apps/files/l10n/tr.php

apps/files/templates/admin.php

apps/files/templates/part.breadcrumb.php

apps/files_encryption/l10n/he.php

apps/files_encryption/l10n/hu_HU.php

apps/files_encryption/l10n/is.php

apps/files_encryption/l10n/tr.php

apps/files_external/l10n/bn_BD.php

apps/files_external/l10n/eu.php

apps/files_external/l10n/fr.php

apps/files_external/l10n/gl.php

apps/files_external/l10n/hu_HU.php