Initial refactor.
Updated doc for rc1 helper manager refactor.
Updated service names.
Modified view loading to handle exceptions in a smarter way.
Properly set helper manager options in factory.
Added environment_class option to override the default Twig_Environment
classname.
Merge remote-tracking branch 'origin/1.2rc2' into develop
Updated lock file and json
Merge branch 'release/1.2'