Admin namespace, allows admin to delete reviews, shows, users.
Updated routes for admin
Update/Added users migration role
added foundation
updated admin logic, fixed nav bar
Merge branch 'master' into ds-vr-create-admin

Conflicts:
	Gemfile
	Gemfile.lock
	app/views/shows/show.html.erb
	db/schema.rb
	spec/factories/genre.rb
	spec/factories/review.rb
updated tests
Update shows_controller.rb
Update comments_controller.rb
Update comments_controller.rb
Update shows_controller.rb
Merge branch 'master' into ds-vr-create-admin

Conflicts:
	app/models/comment.rb
	app/views/layouts/application.html.erb
	app/views/welcome/index.html
	db/schema.rb
Merge branch 'ds-vr-create-admin' of github.com:vikram7/blueshift into ds-vr-create-admin
Merge pull request #25 from vikram7/ds-vr-create-admin

Admin namespace, allows admin to delete reviews, shows, users.