add incwell comment system
add work index, show views
first comment displayed
comment view improvements
clear links
add remove comments
comment format change
add works controller test
add comments controller test
Merge branch 'feature/comments_of_work' into staging

Conflicts:
	Gemfile
	app/models/work.rb
	app/views/layouts/application.html.haml
	app/views/web/users/show.html.haml
	app/views/web/works/show.html.haml
	db/schema.rb