update om.android.tools.build to 4.0.2 and set build type encoding = utf8
update com.android.tools.build to 0.4.2 and set build option encoding = utf-8
update om.android.tools.build to 4.0.2 and set build type encoding = utf8
update com.android.tools.build to 0.4.2 and set build option encoding = utf-8
udpate gradle to 0.4.+