merge master into filesystem

apps/files/ajax/scan.php

apps/files/appinfo/app.php

apps/files/index.php

apps/files/l10n/nl.php

apps/files/l10n/sl.php

apps/files/templates/part.breadcrumb.php

apps/files_encryption/lib/crypt.php

apps/files_external/l10n/sl.php

apps/files_sharing/css/public.css

apps/files_sharing/public.php

apps/files_sharing/templates/public.php

apps/user_ldap/group_ldap.php

apps/user_ldap/l10n/da.php

apps/user_webdavauth/user_webdavauth.php

core/ajax/requesttoken.php

core/css/auth.css

core/css/multiselect.css

core/css/share.css

core/js/share.js

core/l10n/bg_BG.php