fix retrievel of group members and cache group members
properly cancel a Paginated Results operation in order to avoid protocol errors, fixes #10526
abandon ongoing paged search before starting a new one
abandond paged search only if PHP supports them
Remove uneeded slicing of element

The "*/*" provider has been removed. This is therefore not needed anymore and leads to unexpected bugs.

Please notice that this is only relevant for master.
init a new paged search on read operations to satisfy OpenLDAP
make scrutinizer happy, very minor changes
fix position and style of sort indicator
fix changed variable name
Preview large TXT files fix

Limit the size of the string generating the preview image for TXT files
[tx-robot] updated from transifex
New generic class for Imagemagick conversions
Merge pull request #11411 from oparoz/imagick-bitmap-previews

Bitmap class to handle all Imagick conversions to bitmap
[tx-robot] updated from transifex
add /assets to gitignore
Merge pull request #11424 from owncloud/add-assets-to-gitignore

add /assets to gitignore
[tx-robot] updated from transifex
fix for issue #10483
we also encrypt/decrypt files in the versions folder for previews and if encryption is enabled/disabled
Merge pull request #11392 from owncloud/fix_version_previews

we also encrypt/decrypt files in the versions folder