Virtual Button for ROOT device

Invalid date

2015/04/26 Reduce size of Application
2015/04/14 Fix AD SDK
2015/04/11 Remove setenforce function for Google Play Developer Content Policy .
2014/12/03 Remove ACCESS_SUPERUSER permission
Fix SuperSU 2.37 not work
Support ART runtime
(Tested Nexus5 OS 4.4.4 with SuperSU v2.37)
(Tested Galaxy S5 OS 4.4.2 with SuperSU v2.40)