Move OC\Files\Storage\Shared to the right namespace

Storage 503 message improvements

First login event

* Add more files plugins to new DAV endpoint

Also fix report plugin to properly retrieve the path from the
prolongated URL

* In case the report is not for this plugin -> simply return to allow other plugins to get executed

* Adjust onReport tests to match new behavior

Integration tests refactoring

Fix/exception messages

[9.2] Move console command registration to info.xml for encryption as well …

Php 7.1

Delay login of admin user after setup so that firstLogin event can properly be processed for the admin

* Changed request to not add a prefix to the url

* Expecting forbidden instead of service unavailable

* Handling login exceptions

[master] Tear down FS between cron jobs 

Add submit button to validate the federated server, fixes issue #25364

Getting full path

Added test for 26182

* Update doctrine/dbal to 2.5.5

* Fix QueryBuilderTests