php 5.3 compatibility regarding OC\DB\Connection fixed
Merge branch 'master' into fixing-5222-master
fixing php 5.3.3 error:
Undefined variable: this
lib/private/appframework/dependencyinjection/dicontainer.php:92
add missing file header
Merge pull request #5458 from owncloud/fixing-5222-master

php 5.3 compatibility regarding OC\DB\Connection fixed