[misc-usecase][XWALK-1329] Fix issue for failed to switch to Full Screen mode
The iframe need to have 'allowfullscreen' attribute, otherwise the iframe can
not enter fullscreen mode

BUG=XWALK-1329
[wrt] Fix pack issue for wrt-negative-webapp-tests
[webapi] Update spec.json for gamepad

- change messaging to gamepad

Impacted TCs (approved): New 0, Update 0, Delete 0
Unit test Platform: Android
Android test result summary: Pass 0, Fail 0, Blocked 0
[wrt] Move sample app from wrt to misc
[wrt][XWALK-1834]Add 2 Tcs for wrt-packagemgt-tizen-tests

Impacted TCs num(approved): New 2, update 0, deleted  0
Unit test platform: [tizen]
Unit test result summary: Pass 2   , Fail 0,Block 0
Merge pull request #304 from kangxu/kangxu/wrt/wrt-sampleapp-android-tests/move

[wrt] Move sample app from wrt to misc
Merge pull request #305 from linshen/add-xwalk-1834-tcs

[wrt][XWALK-1834] Add 2 Tcs for wrt-packagemgt-tizen-tests
Merge pull request #302 from kangxu/kangxu/wrt/wrt-negative-webapp-tests/update

[wrt] Fix pack issue for wrt-negative-webapp-tests
[webapi] add 36 TCs for CSP

- These tests exist but don't config in xml, so add these tests in xml.
- Fix the grammar issue in csp_default-src_cross-origin_multi_script.cgi.
- Fail reson : object-src is not supported.

Impacted TCs (arrpoved): New 35, Update 0, Delete 0
Unit test Platform:[Tizen IVI]
test result summary: Pass 29, Fail 6, Blocked 0
Merge pull request #307 from JianfengXu/xujf/csp/xml

[webapi] add 36 TCs for CSP
Merge pull request #303 from JianfengXu/xujf/gamepad/mainfast

[webapi] Update spec.json for gamepad
[embedding] Add new embedding sample app
[misc] Add usecase for SIMD

Impacted TCs (approved): New 1, Update 0, Delete 0
Unit test Platform: [Android],[Tizen IVI]
Android test result summary: Pass 1, Fail 0, Blocked 0
Tizen IVI test result summary: Pass 1, Fail 0, Blocked 0
Merge pull request #272 from JianfengXu/xujf/misc/simd

[misc] Add usecase for SIMD
Merge pull request #269 from xinliux/xinliux/embedding

[embedding] Add new embedding sample app
Merge pull request #301 from kurli/fullscreen

[misc-usecase][XWALK-1329] Fix issue for failed to switch to Full Screen mode