#1015:Added game client observer and player view observer.
Merge remote-tracking branch 'origin/master'

Conflicts:
	test/GameClientControllerTest.java
	test/com/step/uno/model/PlayerTest.java
Merge remote-tracking branch 'origin/master'

Conflicts:
	test/GameClientControllerTest.java
	test/com/step/uno/model/PlayerTest.java