Plugfest 38/RDQE changes

These are changes to the W3C's test runner to enable use by DLNA for HTML 5 RUI certifications. At a high level the changes are as follows;
- Easy selection of just the directories DLNA is interested in
- Frontend to the test runner to designed for use on TVs and Touch devices
- Integration of CableLabs MPEG2 mapping specification tests
- Integration of CableLabs signature tests
- Basic changes to upload the test results to the server (https://github.com/dlna/WPT_Results_Collection_Server)