[fixes #27] Included instructions for dependencies in installation notes.
Updated dependencies.
Code cleanup and refactoring to make it cleaner and less repetetive.
Added PHP Mess Detector to QA tools.
SonataAdminBundle integration block.
Added code tracking badges and references.
Removed support for Symfony 2.1.
Moved PHPCPD as Composer dependency instead of using PEAR installer.
0.1.2 assets.