Backport fix-5828 manually to stable5. Implements 17e45e2 on stable5
Use $installedVersion instead of $currentVersion
Fix "restore all selected files"

It seems that a typo sneaked in during a backport.

This fixes the case when selecting files in the trashbin and clicking
"Restore" on the tool bar to restore them all.
Merge pull request #7763 from owncloud/stable5-fixrestoreall

[stable5] Fix "restore all selected files"
don't block php session while download is in progress
Merge pull request #7900 from owncloud/close_session_early_on_download_stable5

Close session early on download stable5
Merge pull request #7229 from owncloud/stable5-fix-5828-backport

Backport fix-5828 manually to stable5. Implements 17e45e2 on stable5
Merge pull request #7610 from owncloud/stable5-fix-updater

Backport of https://github.com/owncloud/core/pull/7609
Revert "remove Sabre_DAV_Browser_Plugin"

This reverts commit 997a9ce0b127bbfdc7ea4319cc20a276a6f542b1.
Added requesttoken back for IE8
Give storages the option to implement the getById behaviour for View->getPath
Implement getPath for shared files
Improve phpdoc
Added missing var that messes up IE8
Merge pull request #8030 from owncloud/getpath-shared-stable5

[stable5] Make getPath work for shared files
Merge pull request #8005 from owncloud/files-fixie8upload

[stable5] Added requesttoken back for IE8
Fixed Sabre Node implementation to correctly return timestamps as int

Negative timestamps were returned as string and were confusing other

Sabre API like Sabre_DAV_Property_GetLastModified.

This fix makes sure the timestamp is returned as int when defined.

Backport of 4f11786 from master
backport of the FilesPlugin to stable5
adding the plugin to the server object
Merge pull request #8234 from owncloud/backport-fileids-stable5

backport of the FilesPlugin to stable5