Imported latest w3c media queries test suite.

LayoutTests/fast/media/w3c/README

 Imported CSS3 MediaQuery test suite from:
-http://www.w3.org/Style/CSS/Test/MediaQueries/20120229/
 
-* Media Queries Test Suite
+http://hg.csswg.org/test/file/c88a96071aac/approved/css3-mediaqueries/src
 
-This is a Release Candidate version of the official W3C Media Queries Test Suite. It relies on support for HTML,
-ECMAScript, and the DOM.
+For license and acknowledgements see:
 
-This test suite is considered to be complete with no known or suspected bugs at the time of its publication.
-If you find any errors, would like to contribute additional tests, or have other feedback, please post to the
-archived public discussion mailing list for CSS test suites, public-css-testsuite@w3.org.
+http://hg.csswg.org/test/file/c88a96071aac/approved/css3-mediaqueries/src/index.html
 
-An implementation report is available. (If you would like to add an implementation to the report,
-please send a patch to public-css-testsuite@w3.org.)
-
-* Test Suite
-
-The test suite is a single self-contained file that thoroughly tests Media Queries via a script: Media Queries Self-Contained Test Suite.
-
-* License
-
-This test suite is licensed under both the W3C Test Suite License and the W3C 3-clause BSD License. See W3C Legal's explanation of the licenses.
-
-* Acknowledgements
-
-Many thanks to the following for their contributions:
-
- Anne van Kesteren
- Ian Hickson
- L. David Baron
- Arron Eicholz