Made the classes PSR-0 compatible and added a Composer json.

IMPORTANT!
This breaks PHP 5.2 compability.
Merge branch 'master' of ssh://git.kaigantbk.se/qbank/qbankapi2wrapper

Conflicts:
	Kaigan/QBank2/API/Model/SearchResult.php
	Kaigan/QBank2/API/SearchAPI.php