change field for password from text to password
add link to add candidate
specify ruby version and ieee-votebunny gemset

- .ruby-gemset helps to isolate installation dependencies that might conflict
with global gem installations
- .ruby-version prompts the user to install specified ruby which is
  currently ruby-2.0.0
added route to view all voters for an election
can see how many voters submitted ballot

the admin can see how many voters submitted their ballots
show winner in admin panel

TODO: implement tiebreaker logic