<script src=data:...> should not mute the onerror arguments anymore per spec
Test using a deprecated feature

Pseudo has been removed from the spec. These tests are obsolete.
Delete tests better handled in Aryeh's tests and other tests
delete tests better handled in /html/dom/interfaces.html
Rewrite infraware tests on appcache
Removed athost tests
Updated distributed to content
Merge remote-tracking branch 'upstream/master' into infraware-forms
reflect latest changes in getusermedia on mapping to media element
updated links back to spec

Conflicts:
	mediacapture-streams/mediastreams-as-media-elements/video-assignment.html
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
Add tests for the browsing contexts
revert tests per https://critic.hoppipolla.co.uk/r/738
Update codes as review suggestions

1. Change the document charset
2. Change the to xhtml
3. Remove help link
4. BackCompat test and etc

Signed-off-by: xiaojunwu <xiaojunx.a.wu@intel.com>