Fixes https://github.com/owncloud/core/issues/16296

Ref http://www.shellcheck.net/about.html

Added rmdir to trashbin storage wrapper

some encryption fixes

fix preview hooks, enable_previews default is true

delete all file keys doesn't need the encryption module as parameter; implement rmdir; getFileKeyDir should also work for part files and complete directories

fix webdav quota check for the root of the dav endpoint

dont go trough the view when renaming/copying on shared storages

Add info message for upgrade of an 3rdparty app

Add NoAdminRequired annotation

Check if cURL supports the desired features

Stupid mistake in master, fixes https://github.com/owncloud/core/issues/16288

fix user mgmt search box position, fix #15928

ellipsize first item in multiselect, fix #16174

Resize filepicker on window size change

remove superflous button. fixes #15971

Enable file icons & previews in "Shared ..." categories

Use active instead of non existing pressed

use hooks to update encryption keys

Fixes https://github.com/owncloud/core/issues/16083

Older versions of cURL that are unfortunately still bundled by distributors don't support these features which will result in errors and other possibly unpredictable behaviour.

Fixes https://github.com/owncloud/core/issues/16179 for master – stable8 requires another patch.

This makes sure that folders are moved to trash when deleted with
rmdir() instead of unlink().

This happens for example when deleting a folder over WebDAV.
The web UI uses unlink() so it wasn't affected.

fix check if a file is excluded from encryption

Fix version rename with files and folders

Issue 16206 fix app config parallel insert

Update etag of direct parent on unshare