[usecase-webapi] Improve WebSocket usecase

- Adjust the case with screen view

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 1, fail 0, block 0
[usecase-webapi] Improve Audio usecase

- No need the auto replay, not auto hide the play bar for audio
- Add DisablePassButton and EnablePassButton

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

- Change "launch successfully" to "Please checking the app launched on GUI and service process commandline".
- Change "Kill APP" to "kill App".
- Show the current app info by default.
- Show static dialog for the list all info, using scroll bar.
- Change app information to table.
- Fail Reason: get context list fail.

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: [Tizen-IVI]
Test result summary: Pass 0, Fail 1, Blocked 0
[wrt] Update pack.sh for wrt-internetstdmanu-android-tests
[usecase-webapi] Improve SystemInfo usecase

- Adjust the case with screen view

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 1, fail 0, block 0
[usecase-webapi] improve ResourceTime w3c usecase

- Show image after loading it
- Use li to format the information

Impacted tests(designed|approved): new 0, update 1, delete 0
Unit test platform: [Tizen IVI][Android]
Unit test result summary: pass 1, fail 0, block 0
[usecase-webapi] Improve MediaQueries w3c usecase

- Update the content description
- Change the page interface and add details for every button

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [Tizen IVI][Android]
Unit test result summary: pass 1, fail 0, block 0
[usecase-webapi] Improve content usecase

- Scan complete to a pop up, not open in new page.
- Organize result to a table.
- Default show get Directory result.
- Update the button to "Open Dir".
- Fail Reason: DB connection error.

Impacted TCs num: New 0, Update 1, Delete 0
Unit test Platform: [Tizen-IVI]
Test result summary: Pass 0, Fail 1, Blocked 0
[embedding][XWALK-1052] Leverage unit tests about XWalkExtension interface

- Add 3 cases about tests for extension api according to the developer's unit tests.

Impacted tests(approved): new 3, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 3, fail 0, block 0
[usecase-webapi] Add new Tizen tests for tizen usecase

- Add Tizen Filter tests
- Tests filter images by width and height.

Impacted TCs num(designed): New 1, Update 0, Delete 0
Unit test Platform: Tizen M0
Tizen test result summary: Pass 1, Fail 0, Blocked 0
[usecase-webapi][XWALK-2252] Correct the description of 5th subcase about Flexible

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [Tizen IVI][Android]
Unit test result summary: pass 1, fail 0, block 0
[wrt] Add config.xml in packagemgt wgt

Impacted tests(approved): new 0, update 9, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 9, fail 0, block 0
[webapi] update unitcommon.js for w3c nfc

- remove useless functions
- correct some type mistakes
- Failure analysis: nfc does not support

Impacted tests(approved): new 0, update 0, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 0, fail 12, block 0
[misc-xwalk] Integrate tests of NavigatorLanguage.

-Fail Reason: Cannot read property 'setAcceptLanguages' of undefined at Object

Impacted tests(approved): New 1, Update 0, Delete 0
Unit test platform: [Android]
Unit test result summary: Pass 0, Fail 1, Block 0
Merge pull request #635 from minxhuang/hm/misc/xwalk-system/Navigator_Language

[misc-xwalk] Integrate tests of NavigatorLanguage.
Merge pull request #654 from haoxli/haoxli/wrt/packmg-wgt-config

[wrt] Add config.xml in packagemgt wgt
[cordova] Add 2 TCs to sampleapp
Merge pull request #625 from wanghongjuan/wanghongjuan/wrt/cordova

[cordova] Add 2 TCs to sampleapp
[misc] Recover test files integrated from Blink LayoutTests

- https://github.com/crosswalk-project/blink-crosswalk/tree/master/LayoutTests
- https://github.com/crosswalk-project/crosswalk-test-suite/pull/635
[misc] Update navigator.language test files

to reflect current being code structure