initial rails application
added devise gem
added home controller
added haml gems
added user authentification
added links to the home page
added item model and assosiation with user
added message model and its assosiations with item and user
added user_id index to items table
typo, in references field type
added model photo and its assosiations
added model tags its assosiations and relationship migration between tag and item models
added routes for models and assosiations