Deleted RDFa tests that no longer exist or are no-longer 'required'
Fixed URL for Gregg Kellogg's reference RDFa parser implementation
RDFa test case 0247 was working all along
Updated to latest versions of the existing RDFa 1.1 / XHTML test cases
Removed the ‘Z’ from the end of dates in the RDFa test cases
https://github.com/rdfa/rdfa-website/commit/b45daf9a8d66ef05db9aa959422c250aefd63e19
https://github.com/rdfa/rdfa-website/commit/0cd132aebf8fba3b42ade6f02fd768a83300143a
https://github.com/rdfa/rdfa-website/commit/52a0f3d2b5b9b56d21c1fed0f215d0564bdcf6dd
Added RDFa test cases 0318 − 0333
Fixed code style in RDFa test case generator
Switched RDFa reference implementation from the ruby one to the W3C hosted pyRDFa implementation
Merged in changes by @scor, note that test case 303 isn't a required XHTML5 test
Merge branch 'master' of github.com:njh/easyrdf

Conflicts:
	test/EasyRdf/Parser/RdfaTest.php