Added index action to address controller and index show to show all existing addresses for a user
Changed button_to to link_to in addresses show in order to pass address_id through to Transaction new
Changed address_id in Transactions create action to the session for current address, also fixed minor typo in flash notice
Removed line in transactions create that defines which address
Merge branch 'master' of github.com:fluxusfrequency/fourth_meal into helper_tests