[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
[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
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
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.
Merge pull request #259 from kangxu/kangxu/wrt/packagemgtauto-android/update

[wrt] Update TCs for wrt-packagemgtauto-android-tests
Merge pull request #251 from jshentux/jshentux/misc/sanity-appuri-update

[misc-sanity] Remove Hash item from AppURI
Merge pull request #261 from kangxu/kangxu/wrt/wrt-rtbinauto-tizen-tests/update

[wrt] Update automation scripts for wrt-rtbinauto-tizen-tests
Merge pull request #253 from JianfengXu/xujf/webapi/gamepad

[webapi] add 16 TCs for gamepad