Remove leading and trailing backslashes in classname. Ref #2310
some basic unit test for loading classes
Check if the installed PHP version has a fix for the nullbyte vulnerability
Show a warning in the installer if the used PHP version is vulnerable to the NULL Byte attack
Remove space before parethesis
Merge pull request #2447 from owncloud/fix_namespace_in_autoloader

Remove leading and trailing backslashes in classname. Ref #2310