Adding trueskill gem
Convert ratings to have teams with one player in them
Change interface of rating service to take teams
Moving away from single winner and loser assignment/getters
Adds customizable game information
Fold rating service into elo rater
Implement trueskill
Allow multiple players to be selected and ties to be selected
Drop the empty teams only at the end
Winners and losers from all teams
Update result display
Added chosen for result team select
Fixed non-multiselect result posting
Up the number of teams shown by default
Ties for elo games
Collapse migrations.