Make blink an HTMLUnknownElement.
http://html5.org/tools/web-apps-tracker?from=7904&to=7905
Merge pull request #132 from Ms2ger/blink-interface

Make blink an HTMLUnknownElement.
shadow-dom: Drop section numbers from directory names.

This change is based on the discussion at
<https://github.com/w3c/web-platform-tests/pull/130>.

There is no change in test contents.
Merge pull request #134 from yutak/shadow-dom/drop-section-numbers

shadow-dom: Drop section numbers from directory names.