[webapi] Update 54 designed cases to approved for video

- Modify tests.full.xml and tests.xml
- Add support/videoelement.js

Impacted tests(approved): new 54, update 0, delete 12
Unit test platform: [IVI] crosswalk-10.38.222, t-e-c 0.107
Unit test result summary: pass 2, fail 24, block 28
[embedding] Modify tests.xml according the latest version of testkit-lite

Impacted tests(approved): new 0, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 99, fail 12, block 0
[tools]Update stats.py to save the result in a csv file

Update the ref and bdd tests coverage
Update the Upstream test coverage
Output the result to coverage.csv
[usecase-embedding] Modify tests.android.xml and tests.full.xml

Impacted tests(approved): new 0, update 0, delete 0
Unit test platform: [Android]
Unit test result summary: pass 14, fail 1, block 0
[webapi]Add reference entry for reftest
Merge pull request #1266 from chenxix/webapi/repair-canvas

[webapi]Add reference entry for reftest
Merge pull request #1264 from zhuyongyong/embeddingApi-usecase/modTestXml

[usecase-embedding] Modify tests.android.xml and tests.full.xml
Merge pull request #1262 from zhuyongyong/embeddingApi-tests/modTestsXml

[embedding] Modify tests.xml according the latest version of testkit
[wrt] Add subcase to manifest and packtertool suite
Merge pull request #1267 from wanghongjuan/wrt/update-tests.full.xml

[wrt] Add subcase to manifest and packtertool suite
Merge pull request #1250 from chenxix/tools/modify-coverage-script

[tools]Update stats.py to save the result in a csv file
[webapi] Update 56 designed cases to approved for audio

- Modify tests.full.xml and tests.xml

Impacted tests(approved): new 56, update 0, delete 12
Unit test platform: [IVI] crosswalk-10.38.222, t-e-c 0.107
Unit test result summary: pass 1, fail 24, block 31
[webapi] Update 48 designed cases to approved for webaudio

- Modify tests.full.xml and tests.xml

Impacted tests(approved): new 48, update 0, delete 0
Unit test platform: [IVI] crosswalk-10.38.222, t-e-c 0.107
Unit test result summary: pass 0, fail 48, block 0
improve tool with increment method
Merge pull request #1269 from cicili/change-ws-docroot

improve tool with increment method
[webapi] Integrate 1 upstream test for IndexedDB

Impacted tests(approved): new 1, update 0, delete 0
Unit test platform: [Tizen IVI]
Unit test result summary: pass 1, fail 0, block 0
[webapi]Upadate pack.sh script in all-in-one packages to support 'shared' mode.
[wrt][xwalk-3017] Update tests.full.xml and tests.xml for sharedmodemanu

Impacted TCs num(approved): New 0, Update 4, Delete 0
Unit test Platform: Android
Android test result summary: Pass 4, Fail 0, Block 0
[webapi] Update testharness.js in Canvas to latest

Impacted tests(approved):new 0,update 866,delete 0
Unit test platform:[android]
Unit test result summary:pass 850,fail 16,block 0
[wrt][xwalk-2869] Update one tests for wrt-packertoolmanu-android-tests

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: Android
Android test result summary: Pass 1, Fail 0, Block 0