[webapi] Add priority for ivi tests
Merge pull request #208 from kangxu/kangxu/webapi/ivi/priority

[webapi] Add priority for ivi tests
Move files in testkit/web to webrunner

Signed-off-by: Hao yunfeix <yunfeix.hao@intel.com>
[wrt] Update the url in single page since the old one is invalid
Merge pull request #218 from yxu66x/wrt/android/certificate

[wrt] Update the url in single page since the old one is invalid
[webapi] Add back 4 tests for HTMLElement dataset attribute
[webapi] Fix typo of 2 tests for Geolocation
[wrt] Update TCs status to designed for all main document
Merge pull request #220 from yufeichen/yufeichen/wrt-update-status-to-designed-for-all-main-document

[wrt] Update TCs status to designed for all main document
[wrt] Update the cases status of googleplay tcs
Add an introduction to Crosswalk test suite code structure
Update test case priority in developer guide

- P0 is used for usecase tests for feature to be tested
  and API use cases
- Current P0 tests will be changed to P1
[webapi] Add 22 new TCs for webapi-dlna-xwalk-tests
[misc] Change testkit to webrunner in ABAT pack.sh

Unit test result summary: pass 26, fail 3

Signed-off-by: Hao yunfeix <yunfeix.hao@intel.com>
Merge pull request #222 from yxu66x/wrt/android/googleplay

[wrt] Update the cases status of googleplay tcs
[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