[webapi] Integrate 4 tests for W3C Touch Event

Impacted tests(approved): new 4, update 0, delete 0
Unit test platform: [android] crosswalk-10.38.222
Unit test result summary: pass 4, fail 0, block 0
[webapi] Notification iconPath value verification fixed

Impacted tests(approved): new 0, update 1, delete 0
Unit test platform: [IVI] crosswalk-10.38.222, t-e-c 0.107
Unit test result summary: pass 1, fail 0, block 0
Merge pull request #1146 from xinliux/touch-add-w3c

[webapi] Integrate 4 tests for W3C Touch Event
Merge pull request #1145 from xinliux/notification-iconPath

[webapi] Notification iconPath value verification fixed
[misc]Add capture tcs and rename the test suite name

[Detailed commit message (if have)]
Unit test platform: [tizen]
Test Result: Pass 1, Fail 0, Block 0
Test webapp: capture_video_camera,camera can not open on ini
Merge pull request #1149 from linshen/shenlin/add-video-capture

[misc]Add capture tcs and rename the test suite name