Remove username from branch name as GitHub will add it automatically

when make a pull request from a forked repo.
This also satisfies @bspencer curiosity at
https://lists.crosswalk-project.org/pipermail/crosswalk-dev/2014-October/002162.html
Update one cases to stablonglastplayvideo

Impacted TCs num(approved): New 0, Update 1, Delete 0
Unit test Platform: Android
Android test result summary: Pass 1, Fail 0, Block 0
Merge pull request #1120 from wanghongjuan/misc/playvideo

Update one cases to stablonglastplayvideo
[misc]Add 3 tcs for long time test

[Detailed commit message (if have)]
Unit test platform: [Android]
Test Result: Pass 3, Fail 0, Block 0
Merge pull request #1124 from linshen/shenlin/st-audio-1103

[misc]Add 3 tcs for long time test
[misc]Fix suite name error
[Detailed commit message (if have)]
Unit test platform: [Android]
Test Result: Pass 1, Fail 0, Block 0
Merge pull request #1126 from linshen/shenlin/fix-nameerror

[misc]Fix suite name error
Merge pull request #1116 from zqzhang/readme-username-remove

Remove username from branch name as GitHub will add it automatically
[webapi][XWALK-1292] Remove tests due to storage may nerver change
Merge pull request #1125 from kangxu/kangxu/tct-filesystem-tizen-tests/removeCases

[webapi][XWALK-1292] Remove tests due to storage may nerver change
[webapi][XWALK-1291] Update tests to fix issue

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [IVI]
Unit test result summary: pass 1, fail 0, block 0
Merge pull request #1122 from kangxu/kangxu/webapi/tct-filesystem-tizen-tests/updateCases

[webapi][XWALK-1291] Update tests due to change test point
[webapi] Remove 7 cases due to spec update for WebRTC API

- Spec: http://www.w3.org/TR/webrtc
Merge pull request #1104 from kangxu/kangxu/webapi-webrtc-w3c-tests/updateCases

[webapi] Remove 7 cases for spec update for WebRTC API
[webapi] Update upstream tests for audio and video

Impacted tests(approved): new 15, update 6, delete 0
Unit test platform:[Android][IVI]
Unit test result summmary: pass 12, fail 9, block 0

W3C Test Path: html/semantics/embedded-content/media-elements/user-interface/muted.html

Comment: XWALK-970
Merge pull request #1108 from kangxu/kangxu/webapi/tct-audio-html5-tests/update

[webapi] Update upstream tests  for audio and video