also accept children as mapping type for one to many
Merge pull request #144 from liip-forks/mapping_type_fix

Mapping type fix
FormBuilder->getParent got removed, get the parent in the event handling. not solving issue #132 however
added condition so only the type_collection for phpcr admins gets extended
Merge pull request #146 from sjopet/extfix

added condition so only the type_collection for phpcr admins gets extended
ChoiceFieldMask form type
Fixed name, delegated event