Remove unused non-trickle ICE candidate usage
Merge pull request #1 from ekr/ice_remove_vestigial_candidate_processsing

Remove unused non-trickle ICE candidate usage
Changes to make group identifiers strings rather than integers
Merge pull request #2 from adamroach/multistream

Changes to make group identifiers strings rather than integers
Whitespace cleanup
Merge pull request #3 from martinthomson/whitespace

Whitespace cleanup