Stuck on stack level error
	new file:   app/controllers/question_groups_controller.rb - experimenting
	with moving the whole question type to a new controller.

	modified:   app/helpers/question_helper.rb - modified remove to specify
	a css selector to hide.

	modified:   app/models/permitted_params_decorator.rb - added questions_attributes
	to question_group

	modified:   app/views/questions/_group_inline_field.html.erb - pull a row into its own
	partial.

	modified:   app/views/questions/_group_inline_fields.html.erb - renders group_inline_field

	modified:   config/routes.rb - resources for question_group

	modified:   lib/assets/javascripts/surveyor_gui/surveyor_gui.js - add param for remove_field
	to accept the dom to show or default to '.fields'.

	modified:   lib/surveyor_gui/models/question_group_methods.rb