added area list
	renamed:    res/layout/activity_area.xml -> res/layout/activity_area_detail.xml
	renamed:    src/com/matkastner/zorbgame/AreaActivity.java -> src/com/matkastner/zorbgame/AreaDetailActivity.java
	deleted:    src/com/matkastner/zorbgame/model/Area.java
	modified:   AndroidManifest.xml
	modified:   res/layout/activity_area_detail.xml
	modified:   res/layout/activity_journey_detail.xml
	modified:   src/com/matkastner/zorbgame/AreaDetailActivity.java
	modified:   src/com/matkastner/zorbgame/JourneyDetailActivity.java
	src/com/matkastner/zorbgame/AreaListFragment.java
	src/com/matkastner/zorbgame/model/Area.java
	src/com/matkastner/zorbgame/model/Areas.java