Adding Rails scopes to handle matching stats for players

+ 1v1
+ 2v2
+ 3v3
Added coffeescript for the player stats page for the timestamp to be
local

Rails now passes out a unix timestamp, which JS (through coffeescript)
converts to a locale string for display
Moved the unix timestamp from the view to the controller
Merge pull request #15 from marsol0x/timezone

Display local timezone in the browser for rounds in player stats