version 2.2.0
version 2.2.0

vvallabb/snackbar,zh-kevin/snackbar,dusunboy/snackbar,hukumsingh87/snackbar,open-keychain/snackbar,nispok/snackbar,chengkaizone/snackbar,AICP/external_android-snackbar,Altaf-Mahdi/android_external_android-snackbar,JohnTsaiAndroid/snackbar