Renamed surveyforms_spec.rb to create_survey_spec

Added one of each question type.
	new file:   spec/features/create_survey_spec.rb
	deleted:    spec/features/surveyforms_spec.rb
Eliminated i18n deprecation message when running rspec features
	modified:   lib/generators/surveyor_gui/install_generator.rb
Eliminated simple_forms deprecation message when running features.

new simple_forms syntax: as=>:radio is now as=>:radio_buttons
	modified:   app/views/surveyforms/_question_fields.html.erb
Move methods for create_survey_spec.rb feature  into surveyforms_helper.rb
	modified:   spec/features/create_survey_spec.rb
	new file:   spec/support/surveyforms_helpers.rb