Add test for the URLs resolving
Add tests to check resolving URLs in xhtml document
Move tests to web-platform-tests/url directory
Update last patch to remove the files under html/~
Resolve issues

1. Update the urltestdata.txt
2. Add xml version for a-element.html
3. Remove resolve-urls.html and resolve-urls.xhmtl

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>
Resolve issues

1. Add title
2. Update the setBase function, etc

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>
Update test data
Merge pull request #458 from xiaojunwu/submission/xiaojunwu/resolving-urls

Add test for the URLs resolving