[webapi] Add 52 TCs for native file api
Impacted Suites: webapi-nativefilesystem-xwalk-tests
Impacted TCs num: New 52, update 0, deleted 0
Unit test Platform: IVI
IVI test result summary: Pass 0, Fail 52, Blocked 0

Fail Reason:
All cases are designed, because the Native File API is not ready. Jira link: https://crosswalk-project.org/jira/browse/XWALK-672
[webapi] Add 20 TCs for Performance Timeline
[misc-sanity] Remove Hash item from AppURI

The URI of AppURI test page in sanity app don't have Hash value, so we remove this item otherwise this item will be none always.
[webapi] Add 24 TCs for IAP
[wrt] Update config for wrt-common-webapp-tests
[wrt][XWALK-1367] Update manifest.json for launch_fullscreen_true_tests
[wrt][XWALK-1720] Update test steps for Crosswalk_Google_Play_Multiple
[misc] Add sanity test for dlna
[wrt] Update TCs for wrt-extensionauto-android-tests
[wrt] Update TCs for wrt-packagemgtauto-android-tests
[wrt] Update tests.xml for tct-pm-wrt-tests
[wrt] Update automation scripts for wrt-rtbinauto-tizen-tests
[behavior][XWALK-1647] Update the file path for csp
Merge pull request #252 from kangxu/kangxu/wrt/wrt-common-webapp-tests/updateConfig

[wrt] Update configure for wrt-common-webapp-tests
Merge pull request #260 from yufeichen/yufeichen/wrt-update-tests.xml-for-tct-pm-wrt-tests

[wrt] Update tests.xml for tct-pm-wrt-tests
[webapi] Fixed XWALK-1790 by modifying presentation sub directory name
Merge pull request #256 from kangxu/kangxu/wrt/googleplay/Crosswalk_Google_Play_Multiple/update

[wrt][XWALK-1720] Update test steps for Crosswalk_Google_Play_Multiple
Merge pull request #255 from kangxu/kangxu/wrt/fullscreen/update

[wrt][XWALK-1367] Update manifest.json for launch_fullscreen_true_tests
Merge pull request #258 from kangxu/kangxu/wrt/extensionauto/update

[wrt] Update TCs for wrt-extensionauto-android-tests
[webapi] add 16 TCs for gamepad

Impacted Suites: webapi-gamepad-w3c-tests
Impacted TCs num: New 16, Update 0, Delete 0
Unit test Platform: Android
Android test result summary: Pass 1, Fail 15, Blocked 0

Comments:
1. The TCs is base on the Firefox browser.
2. The fail reason is the gamepad can't connect to the android now.
3. The result on Firefox is Pass 14, Fail 2, Blocked 0, fail reason is the timestamp attribute of gamepad does not exist.