Merge pull request #6028 from owncloud/extstorage-touchoperationreturnvalue

Fixed ext storage touch function to return true on success
fix defaults.php doc
handle duplicate slashes in case of reverse proxy configuration
Merge pull request #5641 from owncloud/filestrash-emptytrash

Deleting all files in trash now only sends a single flag
fix defaults.php doc
in case uri and script name don't match we better throw an exception
Add "single user mode" which restricts access to users in the admin group

This can be enabled by setting 'singleuser' to true in config.php
Add occ command to enable and disable single user mode
adding chunked upload handling
Add template for single user mode message
add documentation for single user config option to config.sample.php
Merge pull request #6030 from owncloud/cli-errors

provide more cli friendly error messages when in cli mode
AppFramework(Controller|HTTP|HTTP-Responses|Middleware), IContainer API fixes
page level doc blocks and class descriptions
fix some capital letters
move files to owners trash
Fix navbar issue

fixes #6024
Merge pull request #6040 from owncloud/fix-navbar-css

Fix navbar issue
adding documentation for registerRoutes()
Merge pull request #6037 from owncloud/fix-6007-oc6

adding chunked upload handling