[wrt] Add TCs for wrt-googleplay-android-tests
[wrt] Update test steps for Crosswalk_Google_Play_AppUrl
Merge pull request #227 from kangxu/kangxu/wrt/googleplay/add

[wrt] Add TCs for wrt-googleplay-android-tests
Merge pull request #228 from kangxu/kangxu/wrt/googleplay/Crosswalk_Google_Play_AppUrl/updateSteps

[wrt] Update test steps for Crosswalk_Google_Play_AppUrl
[webapi] Update reference path of testharness in websocket-py for wts
Merge pull request #229 from Honry/Honry/websocket-py-path

[webapi] Update reference path of testharness in websocket-py for wts