[CORDOVA] Add python packagement files

Signed-off-by: Hao yunfeix <yunfeix.hao@intel.com>
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