[webapi] Remove spec.json not for release
[webapi] Remove the multiple URLs in spec.json

I have link XWALK-516, XWALK-596 to XWALK-597 in JIRA.
Merge pull request #170 from jshentux/jshentux/webapi/runtime-spec-fix

[webapi] Remove the multiple URLs in spec.json for runtime
[behavior] Update wgt installation path for IVI
Merge pull request #161 from haoxli/haoxli/webapi/remove-extra-spec-json

[webapi] Remove spec.json not for release
[webapi] Update spec_desc in spec.json
[wrt] Update app name for rtcore CombinationValue TC
Merge pull request #174 from haoxli/haoxli/webapi/spec-desc

[webapi] Update spec_desc in spec.json
[Cordova] Add 1 new test and update steps in tests.xml
Merge pull request #176 from Honry/Honry/cordova-mobilespec

[Cordova] Add 1 new test and update steps in tests.xml
[wrt] Update 3 cases descrition about if there is space in name option
[wrt] [XWALK-836] Update the designed case to approved status
Merge pull request #171 from haoxli/haoxli/behavior/wgt-for-ivi

[behavior] Update wgt installation path for IVI
Merge pull request #172 from yxu66x/wrt/android/packer-tool

[wrt] Update 3 cases descrition about if there is space in name option
Merge pull request #175 from yufeichen/yufeichen/wrt-update-rtcore-combinationValue-name

[wrt] Update app name for rtcore CombinationValue TC
[wrt] [XWALK-1411] Add 3 tcs for keep-screen-on option
Merge pull request #182 from yxu66x/wrt/android/packer-tool

[wrt] [XWALK-1411] Add 3 tcs for keep-screen-on option