Temporary commit for rebasing.
Port to uproxy-lib for freedom-v0.6's new WebRtc.PeerConnection.

This also makes Churn a typescript class, not a Freedom module.
Fix merge problems.
Fix merge skew in Gruntfile.coffee
Increment uproxy-lib version dependency.

This increment is only for the PeerConnectionInterface definition.
Add blank line back in.
Cleanups in response to review comments and fix turnFrontend test.
Respond to comments and fix mocks for logging in tests.
Add semicolon
Merge pull request #153 from uProxy/bemasc-pointsix2

Port uproxy-networking to freedom 0.6