import from https://code.google.com/p/chromium/codesearch#chromium/src/third_party/webrtc/test/w3c/peerconnection_conformance_test.html
minor cleanup
file rename
remove webkit-isms
adapted RTCPeerConnection constructor to latest version of spec
added missing testharnessreport.js
one more webkit-ism
test on dirname attribute
submit to iframe to avoid redirect
Add tests for the RadioNodeList interface
Add tests for the HTMLFormControlsCollection interface
tests on input type password
use W3C editor's draft
add tests on input state change
test on form's autocomplete attribute
tests on button element
fix test for invalid value
tests on text field selection on non applicable inputs
tests for text field selection
use iframe load event instead of timeout
remove useless attributes