This can lead to race conditions otherwise. Also depracted hasKey

Remove dead code

Add files:scan warning when NFD or incompatible encoding found

Ancient files_sharing updater code I came across.

Move lonely file from \OC\Files to PSR-4

Conflicting PR probabaly caused this

\OC\Group to PSR-4

Move non PSR-4 files from lib/private root to legacy

There is no need to do old etag propagation on shares

As discussed we move all old style classes (OC_FOO_BAR) to legacy.
Then from there we can evaluate the need to convert them back or if they
can be fully deprecated/deleted.

mount custom cache folder using mount providers

Etags are calculated differently now and don't require manual updating.

Add a warning if a storage wrapper was registered outside of the hook

Prevent concurrent storage availability checks

Move more from \OC to PSR-4

optimize releaselock for memcache based locking backends

This makes sure that even if a NFD file name exists, it is found by the
storage and will be visible to higher layers. Even though the file will
be discarded anyway there, it gives the scanner a chance to display a
warning at least.

cap the normalized path cache

* \OC\OCSClient
* \OC\Preview
* \OC\PreviewManager
* \OC\Repair
* \OC\RepairException
* \OC\Search
* \OC\ServerContainer
* \OC\ServerNotAvailableException
* \OC\ServiceUnavailableException
* \OC\Setup
* \OC\Streamer
* \OC\SubAdmin
* \OC\SystemConfig
* \OC\TagManager
* \OC\Tags
* \OC\TempManager
* \OC\TemplateLayout
* \OC\URLGenerator
* \OC\Updater

Add the DB group for preview tests that require the database

Move more of \OC to PSR-4

[Update] show repair step progress ...

* \OC\DateTimeFormatter
* \OC\DateTimeZone
* \OC\ForbiddenException
* \OC\HTTPHelper
* \OC\HintException
* \OC\LargeFileHelper
* \OC\Log
* \OC\NaturalSort
* \OC\NavigationManager
* \OC\NeedsUpdateException
* \OC\NotSquareException

Update readme for 9.1 links

Moved some files in \OC to PSR-4

Allow app developers to specify the minimum int size