updates style of sign in.
not finished!
Merge branch 'development' of https://github.com/felguerez/aircycle into sign_in_form
-> adds db.get_reviews_for_listing method
-> adds ListingReviews usecase
-> tests db.get_reviews_for_listing method for ORM. Method still needed for in memory
-> changes classes on listings show view
-> changes add_photos route to listings/edit
-> adds reviews action to listings controller
-> creates template for presenting reviews
-> adds js event handler to pull reviews using ajax get request
styles those dumb looking modals
rabble. adds aircycle_test & aircycle_test.db
Merge branch 'development' of https://github.com/felguerez/aircycle into listing_page

Conflicts:
	web/app/assets/stylesheets/users/user_reviews.css.scss
Merge pull request #113 from felguerez/listing_page

Modal Fixings