renewal admin/gate new, edit view
help-block added.
bootstrap-scss gem added instead of raw bootstrap.
fixed field-with-errors layout error
Merge branch 'develop' of github.com:DonutWorks/Ari into refactor/issue-161

Conflicts:
	Gemfile
	Gemfile.lock
	app/assets/stylesheets/application.css
Merge pull request #172 from DonutWorks/refactor/issue-161

renewal admin/gate new, edit view