fix for  #17817

make sure that there is a space between user- and admin-documentation

Add public api for Doctrine QueryBuilder and ExpressionBuilder

improved app description for the default encryption module

Fixing line comments and indentation, closes #17781

Only run some preview unit tets if imagemagick is available

See https://github.com/doctrine/dbal/pull/782 for more info

[sharing] fix addToGroup hook

fix system wide mount point detection on migration

Escape ampersand in logout URL

* fixes #17757

Return proper status code in case of a CORS exception

don't move keys if the key where already moved in a previous migration run

When returning a 500 statuscode external applications may interpret this as an error instead of handling this more gracefully. This will now make return a 401 thus.

Fixes https://github.com/owncloud/core/issues/17742

fix runtime caching in ldap's user manager, fixes #17631

Allow app check code for deprecated classes

Allow upgrade of not enabled apps

Fix occ config commands

Update ringphp to 1.1.0 for PHP 7 compatibility

make sure that we always detect legacy files correctly

The external directories should get the correct icon in filelist