[wrt]update check application.db path

[Detailed commit message (if have)]
application DB path change.
sqlite3 /home/app/.config/xwalk-service/applications.db is work well.
[webapi] [xwalk-2060] Update xwalk url to xwalk-launcher url due to crosswalk update
[wrt][XWALK-890]Update test.py move input_result,change device test path

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Unit test platform: [tizen]
Unit test result summary: Pass 347, Fail 0, Blocked 0
[wrt][xwalk-2070] Update test steps due the steps is incorrect
Merge pull request #417 from wanghongjuan/wanghongjuan/webapi/nacl-url

[webapi] [xwalk-2060] Update xwalk url to xwalk-launcher url due to crosswalk update
Merge pull request #416 from linshen/update-sqlite3-path

[wrt]application.db path in device is changed,so update testcases
Merge pull request #425 from wanghongjuan/wanghongjuan/wrt/xwalk-2070

[wrt][xwalk-2070] Update test steps due the steps is incorrect
[webapi] Add handlers for websocket server

- Integrate handlers from w3c tests, these files are needed by websocket server
Merge pull request #423 from linshen/update-xwalk-890

[wrt][XWALK-890]Update test.py move input_result,change device test path
Merge pull request #426 from haoxli/haoxli/webapi/websocket-hanlder

[webapi] Add handlers for websocket server