Tokenize voting
Add poll_owner method to the User model to check if the current user is the owner of the displayed poll
Only invited users can vote on the poll
Add permanent lock to the poll
Prevent editing the poll when it's locked permanently
Add the number of invites and votes to the table on the show page
Restyle the app. WIP
Change the Locked badge color and reorganize the :show view
Tokenize all votes
Display the score of the entry to the owner
Change the scoring algorith and separate the show table to 'Invited' and 'Stats'
Add a login fields to the navbar
Add a method to the Recipient model to check if she voted on a given poll
Updated the Cucumber sign in step and moved the hidden token field to the right place
Show if the recipient has voted on the poll
Merge pull request #6 from ervinb/recipient_vote_check

Recipient vote check