Update to testing version oCC 1.8.3 rc2
Update to testing version oCC 1.8.3 rc2

LukasReschke/www,owncloud/owncloud.org,owncloud/owncloud.org,LukasReschke/www,lefherz/owncloud.org,lefherz/owncloud.org,owncloud/owncloud.org