Cleaned up PageCreator & ACLPermissionCreatorService + docs.

Provided simple documentation for PageCreatorService.
Also placed the services in the container and refactored them so they are still callable via setContainer This is however not advertised anymore by removing the ContainerAwareInterface.
Improved CodingStandards
Merge pull request #89 from Kunstmaan/feature_add_pagecreatorservice_documentation

Cleaned up PageCreator & ACLPermissionCreatorService + docs.