Rename providers to not begin with test

Remove testcleanuplistener

fix unit tests of mdb2scheamreader

Fixes https://github.com/owncloud/core/issues/12347

update grammar

Suggested by mnestis on Transifex.

This reverts commit 09fd34ee.

drop OC_Preferences::getUsers and getApps

drop dependency of some commands on old config object

Check for XMLWriter class

Fixes an issue when uploading files to external storage when recovery
keys are enabled

The Util class only works with real users, so instantiating it with the
virtual recovery key user or public key user can cause issues.

replace all static calls to OC_Config and OC_Preferences to calls to OCP...

cleanup languages. closes #11274

The result of the listener should then be empty and can be removed

Remove phpass and migrate to new Hasher interface

Issue/10991 all testcase

Remove delete button in shared with others list

This is not installed by default in all cases and will break the DAV features of ownCloud. Lot's of reports such as https://github.com/owncloud/ios-issues/issues/167#issuecomment-63798507

Port 12154

Added function to load translations from JS

Whenever a file is shared with others or with link, a delete button used
to be visible that triggered a direct deletion.

This button has been removed to avoid accidental deletion from people
who might believe it was an unshare button. Unsharing is still possible
inside the share dropdown.

Show warning when invalid user was passed

Warn for password reset when files_encryption is enabled