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.