Use a DateTime object and have conversion handled by Doctrine instead of using
a date string with a fixed format.

use oc filesystem operations to calc the versions size

Fixed FTP storage unit tests to use the correct class

Add "single user mode"

Fix api documentation

add occ commands for enabling and disabling apps

Fixing rawpath reverseproxy oc6

adding chunked upload handling

Fix navbar issue

fixes #6024

provide more cli friendly error messages when in cli mode

This can be enabled by setting 'singleuser' to true in config.php

Deleting all files in trash now only sends a single flag

Fixed ext storage touch function to return true on success

Some ext storage impl didn't return true on success.

Fixes #5943 (Dropbox)
Fixes #6010 (WebDAV)

[encryption] some small visual improvements

fix typo

Prevent using root as mount point for external storage