return to current_page if search query is empty
Merge branch 'master' of https://github.com/mnipper/rails_survey
Do not update question numbers after reposition
Merge branch 'release-v1.3' of https://github.com/mnipper/rails_survey
Merge branch 'master' of https://github.com/mnipper/rails_survey
Merge branch 'master' of https://github.com/mnipper/rails_survey into develop