t[wrt] Update the tcs of splashscreen
[behavior] Update behavior suitability

-Rewrite the pass/fail storage using SessionStorage
-Use iframe to load tests, suit for Tizen, Android and IVI test

comments: 1.Sub test result can not show on page yet.
          2.Export function is not implemented yet.
[wrt] Add tcs to test app update
[wrt] Add 11 TCs to wrt-rtcoreauto-tizen-tests
[wrt] Add 11 auto TCs to wrt-packagemgtauto-tizen-tests
Merge pull request #10 from jshentux/jshentux/webapi/webspeech

[webapi] Add TCs for test WebSpeech
Merge pull request #16 from jshentux/jshentux/behavior/update

[behavior] Update behavior suitability
Update user guide a little more to reflect validation feedback
[doc]Update Web_Testing_Service_User_Guide_v1.0 by adding how to pack wts-version.zip.
Merge pull request #9 from kangxXu/kangxXu/webapi/no-env

|webapi| Update xml file and xwalk_common.sh for tct-widget02-w3c-tests
Merge pull request #15 from JianfengXu/xujfx/webapi/messaging

Xujfx/webapi/messaging
|misc| Update inst.sh.ivi and pack.sh to remove apk
Merge remote-tracking branch 'upstream/master' into wrt/android/app-version
Merge pull request #12 from BruceDai/master

[webtestingservice] Upate webtestingservice for adding pack scripts.
[misc-sanity] Seperate tests.xml for Tizen and Android platform
[misc-sanity] Remove the input for WebGL
Merge pull request #20 from JianfengXu/xujfx/misc-sanity/WebGL

[misc-sanity] Remove the input for WebGL
[misc-sanity] Hide the input label for Vibration
Merge pull request #19 from yxu66x/wrt/android/app-version

Wrt/android/app version
Merge pull request #18 from yufeichen/yufeichen/wrt-packageauto-tizen

[wrt] Add 11 auto TCs to wrt-packagemgtauto-tizen-tests