Kill update simulation

Integration tests qa 222

* delete calendars when users are deleted

* delete also addressbooks on user deletion

* Adjust delete logic and ann unit tests

* delete shares to an user

* fix deletion of calendars

* fix public calendars

* add in same request

* fix tests

Use short array syntax

* [dav] Some code simplifications by using the containers magic to instanciate classes

* [UpdateNotification] Some code simplifications by using the containers magic to instanciate classes

* Don't parse info.xml but reuse already cached app infos - fixes #25603

* Use === in InfoParser. Fixes test

* InfoParser should not depend on UrlGenerator - fixes issue with session being closed too early

Orphaned shares test and some requirements

New dav endpoint register tags plugin

Update and rename COPYING-AGPL to COPYING

Upload autorename on client side

Removes the need for POST to collection which would hit against upload
limits.

The client tries to auto rename the file by adding a suffix "(2)".
It tries to use the file list on the client side to guess a
suitable name. In case a file still cannot be uploaded and creates a
conflict, which can happen when the file was concurrently uploaded, the
logic will continue increasing the suffix.

Properly trigger the "stop" even from the uploader.
Also update storage stats at the end of all uploads instead of for each
upload.

Send email on failure

Make it possible to filter by tags with REPORT method

As soon as the password is reset the lost token is removed