most work to Serialize GameStateManager
Merge branch 'feature/WorkingOfflineGame' of https://github.com/kubasub/chinese-checkers into feature/Serialization

Conflicts:
	android-application/ChineseCheckers/src/main/java/ca/brocku/chinesecheckers/OfflineConfigurationActivity.java
	android-application/ChineseCheckers/src/main/java/ca/brocku/chinesecheckers/gamestate/GameStateManager.java
	android-application/ChineseCheckers/src/main/java/ca/brocku/chinesecheckers/gamestate/Player.java