don't show tie select when a game cannot tie
fix Player#against to not include games players were on the same team
use time ago format instead of raw dateTime
Bump ruby version.
Merge branch 'no-tie-select' of github.com:shelbyd/elovation into shelbyd
Merge branch 'player-against' of github.com:shelbyd/elovation into shelbyd
Merge branch 'timeago' of github.com:shelbyd/elovation into shelbyd
Upgrade to ruby 2.1.4.
Upgrade rails to 4.1.7.
brand with pivotal labs
ignore editor files
make chosen select half width
add players_opponents for head to head comparisons
use most_recent_first for showing recent results
use environment variables for rating calculations