HzGrapher Circle Graph Complete
Merge branch 'master' into CircleGraphe

Conflicts:
	sample/res/layout/activity_main.xml
	sample/res/values/strings.xml
	sample/src/com/handstudio/android/hzgrapher/MainActivity.java
HzGrapher Circle Graph Screenshot upload
Update README.md

add CircleGraph Comment & ScrrenShot
HzGrapher Circle Graph Screenshot upload
Add Pie Chart Complete
Update README.md
Update README.md
Merge branch 'master' into feature/HzCurveGraph_JW

Conflicts:
	sample/AndroidManifest.xml
	sample/res/layout/activity_main.xml
	sample/res/values/strings.xml
	sample/src/com/handstudio/android/hzgrapher/MainActivity.java