Update de l'interface de l'arène

rajout des skins des differentes div
Update du skin page arena
Merge remote-tracking branch 'origin/master'

Conflicts:
	app/View/Layouts/default.ctp
	app/tmp/cache/models/myapp_cake_model_default_arenaweb_fighters
	app/tmp/cache/models/myapp_cake_model_default_arenaweb_list
	app/tmp/cache/models/myapp_cake_model_default_arenaweb_players
	app/tmp/cache/persistent/myapp_cake_core_method_cache