add lang 'sh'
support device owner feature
iostream is destroyed when socketio disconnected, so move iostream to socketio.connect scope.
improve screenshot performance
add disconnect event listener
change screenshot from stream to buffer to avoid 'invalid stream id' error
fix no response error
add git submodule
use ddms to capture screen in case of java version >= 1.7, else use screencap
add opentest.io as domain
remove log
fix readme format issue
fix bug in case of adb over tcp
Merge branch 'release/v0.1.0304'