[ivi-tct] Sync to latest the XSLT style for test case and test result

https://github.com/testkit/testkit-lite/tree/master/xsd
(commit 1d845ee6ecc08204121cdf81c5a57758ebe13929)

Format tests.xml and result.xml by `xmllint --format`
- http://xmlsoft.org/xmllint.html

Format tests.css
- http://google-styleguide.googlecode.com/svn/trunk/htmlcssguide.xml
- Indent by 2 spaces at a time
- Separate selectors and declarations by new lines

Format application.js
- http://google-styleguide.googlecode.com/svn/trunk/javascriptguide.xml
- Indent by 2 spaces at a time
- Remove trailing white spaces
Merge pull request #1422 from zqzhang/xsd-sync

[ivi-tct] Sync to latest the XSLT style for test case and test result