fix dozer gremlin of not dealing nicely with XML which isn't complete (e.g. missing a class-a class-b or field definition
#409 to be able to properly expose the forms validity (so we can enable/disable the buttons and provide validation warning eye candy), I've switched hawtio-forms to use native angularjs directives by default (as our directive wrappers don't seem to work with form validation yet). This lets us enable/disable the create buttons on the create container forms based on whether all the data is valid