refacted android receive notification process.
change AndroidManifest.xml
fixed build error.
send framework key to android
fixed compile error
refactor source code.
refactor post launch event to ios
delete android resourses
Modify source directory structure
Make symbolic link of GrowthPush.framework and growthpush.jar
Add new sample project
Add verify script
Add change log
Add THIRD_PARTY_LICENSES for MiniJSON
Remove Option enum and redesign method interface
Make GrowthPushAndroid methods static
Refactor GrowthPushIOS's method interface
Remove RequestDeviceToken method
Rename native functions and remove unnecessary methods in GrowthPush.mm
Remove callback process