add logscore method to game model to log player and opponent wins and losses on game.create
add win percentage to player show using win percentage method in player model
Add dynamic win and losses on profile page
Merge remote-tracking branch 'origin/johnstats' into statlogic

merge player stats branches
add power ranking for player show using method in player.rb and variables in player controller
Add last five games to dashboard.
craete new welcome dashboard view
merge from lastfivegames branch that lists the last five games on the dashboard
Move dashboard to welcome controller and updated associated links.
add top five player based on win % to welcom/dashboard
delete unnessessary pages_controller, games/dashboard view, and pages/dashboard view
add league players list sorted by win % to players/index with links to player/show pages