[xwalkdriver] Update pack script for crosswalk update

 - Add option --package
 - Change dir name app_src to template
 - For the latest crosswalk v9.37.194.0
[WebAPI] Add python packagement files

Signed-off-by: Hao yunfeix <yunfeix.hao@intel.com>
[MISC] Add python packagement files

Signed-off-by: Hao yunfeix <yunfeix.hao@intel.com>
[usecase-webapi] Improve Video for usecase

- Remove "For Tizen" and "For Android" in tests purpose
- PR-657 affect tests.tizen.xml and tests.android.xml, so update it again.

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: Tizen M0
Tizen test result summary: Pass 1, Fail 0, Blocked 0
[usecase-webapi] Improve Input usecase.

- Remove three buttons, and integrate to 'index.html'.
- Fail Reason: xwalk-1456.

Impacted tests(approved): New 0, Update 1, Delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: Pass 0, Fail 1, Block 0
[Behavior] Add python packagement files

Signed-off-by: Hao yunfeix <yunfeix.hao@intel.com>
Merge pull request #690 from xinliux/xinliux/usecase/video-update

[usecase-webapi] Improve Video for usecase
[wrt] Update test script to fix case bug in wrt-extension-android-tests
[webapi] Update pack.sh for three packages

- Change Reason: the tests.xml path in the pack.sh is wrong, need update.
Merge pull request #761 from kangxu/kangxu/wrt/wrt-extension-android-tests/updateCase

[wrt] Update test script to fix case bug in wrt-extension-android-tests
[misc] Add a note that web worker doesn't support navigator language

There is an Intent to Implement in blink-dev mailing list:
navigator.language(),navigator.languages() and languagechange event for web workers.
[usecase-wrt]update check db to pkginfo --listpkg

[Detailed commit message (if have)]
Impacted TCs num(approved): New 0, update 2, deleted 0
Unit test platform: [tizen]
Unit test result summary: Pass 2, Fail 0, Blocked 0
[wrt] Update json and steps with Crosswalk 8 standard
Merge pull request #750 from kangxu/kangxu/wrt/wrtcases/update

[wrt] Update json and steps with Crosswalk 8 standard
Merge pull request #763 from linshen/shen/misc/add-version

[usecase-wrt]update check db to pkginfo --listpkg
Merge pull request #764 from zqzhang/zqzhang/navigator-language-workers

[misc] Add a note that web worker doesn't support navigator language
[wrt] Update manifest files for uxmanu tests

Impacted TCs num(approved): New 0, Update 18, Delete 0
Unit test Platform: Android
Android test result summary: Pass 18, Fail 0, Block 0
[misc] Combine SandboxAndroid and SandboxTizen

- sandbox allow-scripts has nothing to do with video element and
  video clip type; so use an image rather than video to avoid
  3rd party media resource
- format and rename other sandbox support files
- update test cases pass/fail criteria
Merge pull request #751 from wanghongjuan/wanghongjuan/wrt/uxmanu

[wrt] Update manifest files for uxmanu tests
[misc] Use 'Filler Text' rather than 'PASS'

The tests pass on Crosswalk Android