1. Put a trunk copy file to tag
2. Modify AndroidManifest.xml->versionCode & versionName
3. Modify com/chnsun/qianshanjy/Config.java->DEBUG(true->false)
4. Modify build.gradle buildTypes to release with proguard
5. delete assets/release_read_me.txt
6. sign apk with chnsun.keystore
7. sign apk with 360
8. sign apk with chnsun.keystore

