[CORDOVA] Add python packagement files

Signed-off-by: Hao yunfeix <yunfeix.hao@intel.com>
[usecase-webapi][XWALK-2287] Fix bug for MediaQueries

- Rewrite the usecase for MediaQueries

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [Andriod]
Unit test result summary: pass 1, fail 0, block 0
[wrt] Update script and tcs for wrt-manifest-android-tests
Merge pull request #685 from yunxliu/yunxliu/misc/mediaQueries

[usecase-webapi][XWALK-2287] Fix bug for MediaQueries
Merge pull request #710 from kangxu/kangxu/wrt/wrt-manifest-android-tests/updateScript

[wrt] Update script and tcs for wrt-manifest-android-tests
Merge pull request #755 from haoyunfeix/yunfei/cordova-add-python-packagement-files

[CORDOVA] Add python packagement files
Highlight usecase test suites

- Prepare for Crosswalk Samples
- Close #769