[XWALK-2431] Add use cases for rebasing to Chromium 38
[usecase-webapi] Update set name and sort the tests
[wrt][WEBQA-152] Fix packertool and manifest automation issue
Merge pull request #969 from kangxu/kangxu/WEBQA-152/fixIssue

[wrt][WEBQA-152] Fix packertool and manifest automation issue
[behavior] Get rid of packaging scripts in Shell

See issue #868 for details.
[cordova] Get rid of packaging scripts in Shell

See issue #868 for details.
[webapi] Get rid of packaging scripts in Shell

See issue #868 for details.
[usecase] Get rid of packaging scripts in Shell

See issue #868 for details.
[wrt] Get rid of packaging scripts in Shell

Exception:
- wrt-digitalsign-tizen-tests

See issue #868 for details.
[misc] Get rid of packaging scripts in Shell

Exception:
- webapi-noneservice-tests
- webapi-service-docroot-tests
- webapi-service-tests
- wrt-stablonglast2D-android-tests
- wrt-stablonglast2D-tizen-tests
- wrt-stablonglast3D-android-tests
- wrt-stablonglast3D-tizen-tests

See issue #868 for details.
[XWALK-1293] Remove a removeStorageStateChangeListener test of fileSystemManager

-Can not change storage state by JS
-The storageStateChange event can not be fired

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>
Merge pull request #966 from xiaojunwu/xiaojunwu/filesystem-removeStroageStateChangeListener

[XWALK-1293] Remove a removeStorageStateChangeListener test of fileSyste...
Merge pull request #956 from yunxiaoxie/yunxiaoxie/xwalksystem

[XWALK-2431] Add use cases for rebasing to Chromium 38
Merge pull request #973 from Honry/Honry/usecase/update-set-name

[usecase-webapi] Update set name and sort the tests