new file:   db/migrate/20140713142651_add_user_name_to_users.rb
	new file:   db/migrate/20140713151808_add_profile_image_to_users.rb
	new file:   app/uploaders/user_image_uploader.rb
	modified:   db/schema.rb
	modified:   app/controllers/application_controller.rb
	modified:   app/models/user.rb
	modified:   app/views/feeds/index.html.erb
	modified:   app/views/feeds/profile.html.erb
	modified:   app/views/devise/registrations/edit.html.erb
	modified:   app/views/devise/registrations/new.html.erb
Merge pull request #66 from scoccia/dev/davide_di_carlo/working_on_gravatar

Dev/davide di carlo/working on gravatar