created urls controller
created new action and view
added Url model and new form
added Url spec file
generate url model
added urls_path route for create form
added url form contents
changed button submit text to match features test
added url#create action and remote true
added js file and url partial
added table for shortned url
added helper to render url correctly
added shoulda matchers
added failing presence of long_url test
added long_url presence validation
added failing short_token test
added before action to set short_token
corrected test to create url not initialize
add time format view helper
created short_token route