Update Protocol Spec to v0.3.0
Update rtcomm.signaling.proto.spec.md

Fix webrtc content
Made some changes to endpoint registration.
Fixed a typo.
Merge branch 'feature-gruntbuild' into feature-protocol-update

* feature-gruntbuild:
  Updates for grunt build process
  Update videoClient to use dist dir...
  Gruntfile fixes, build fixes, Test fixes for AMD modules
  Add intern task to grunt
  add dist directory
  change bower ignore
  change bower exclude
  change version
  change version
  Initial commit of bower/grunt/package files
  Changes for UMD building in grunt
  Update rtcomm.signaling.proto.spec.md
Change START_SESSION{type:Refer} to  REFER message for 3PCC
Remove REGISTER, change to using retained DOCUMENT message
Initial protocols header & payload changes (including some presence fixes)
Presence/Protocol/Test fixes
Update built files
A few fixes for the tests