Fixed error on line 47 of spec/models/question_spec.rb.

Surveyforms_create_helpers.rb had a def named "answers" which conflicted
with the answers method of question objects.  Switched name to
"add_answers".
	modified:   spec/features/create_survey_spec.rb
	modified:   spec/support/surveyforms_creation_helpers.rb
Added test to cut and paste both sections and questions.

Refactored some code in surveyforms_rearrangement_helpers.rb
	modified:   spec/features/rearrange_survey_spec.rb
	modified:   spec/support/surveyforms_rearrangement_helpers.rb
Merge remote-tracking branch 'upstream/master' into better_rails4
add missing :id parameters