URBNG-140 - [WP] "Game is over" notification, URBNG-142 - [WP] "Task changed" notification

URBNG-145 - [WP] I won banner
URBNG-146 - [WP] I lost banner

Also:
* fixed green color
* small refactoring in GameState
* handled GameStateChanged on games list
* fixed navigation to inactive game
* fixed points in inactive games