Regions and resizing tests; prefixed. Will unprefix in separate commit
unprefixed support files
addressed feedback from @maerean and @mihneaOMV about regions & resizing tests
Commented code as per @maerean's request
renamed utility function as per @maerean's comment
[testtwf-shenzhen]Add tests for CSS3 UI resize property
[testtwf-shenzhen] Move tests to ttwf_shenzhen/intel/css3-ui

Signed-off-by: shiytan <shiyoux.tan@intel.com>
Add the 'interact' flag and remove 'dragging bottom-right'
Repair the user operation
Merge pull request #336 from shiytan/shiytan/resize

[testtwf-shenzhen]Add tests for CSS3 UI resize property
Merge pull request #107 from mibalan/resizing

[css3-regions] JavaScript driven ref-tests for CSS Regions and resizing
line-height-129 test improves spec coverage of line box height
determination. For more info:
line-height: normal and multiple descendant font sizes
http://lists.w3.org/Archives/Public/www-style/2013Oct/0546.html
Moving the CSS Regions test strategy document to W3C infrastructure
Merge pull request #385 from mibalan/testplan

Moving the CSS Regions test strategy document to W3C infrastructure
Corrected a <!-- comment --> and added an explanation as to
where the top border edge of the self collapsing element
must be. More info:
http://lists.w3.org/Archives/Public/public-css-testsuite/2013Oct/0009.html
and
http://lists.w3.org/Archives/Public/public-css-testsuite/2013Oct/0012.html
Corrected validation error.