1.1 branch.
Update homepage and dependencies.
Update status tags in README
Update gem badge.
Use branch 1.1 of RDFa for testing.
Remove support for REXML, which really doesn't make sense for Microdata, particularly now that Nokogiri is well supported on JRuby.
Disable some expansion tests for Rubinius.
Re-enable expansion tests for RBX.
Update dependencies
Update tavis JRuby version to 1.7.4.
Make sure encoding is stringified when passing to Nokogiri.
Allow RDF::Spec test for valid? to complete, even though "string" is not a valid input.
Array Optimization
Fix problem with setting format on content_type if RDFa is present.
Properly detect and raise an RDF::ReaderError if validation is set and an invalid triple is generated.
Merge branch 'origin/1.1'