finish gems gauge logic
add method to check stored gems
add hidden gems
add Flurry sdk
add analytic
Merge branch 'master' of https://github.com/tungha/DiamondTest into lopv2

Conflicts:
	DiamondTest-android/.classpath
	DiamondTest-android/src/com/cnc/diamond/MainActivity.java
	DiamondTest/src/com/cnc/diamond/game/SkillGaugeLogic.java
	DiamondTest/src/com/cnc/diamond/game/View.java