First pass at restarting hangouts that receive belated heartbeats with seemingly valid info.
Fixed issues with sessions starting, and identifying situations where there are rogue sessions happening.
Fixed a minor issue with hangouts running old embed code that don't report everything we expect.
Added a feedback channel to tell rogue hangouts that something is wrong.
Fixed a stupid script tag issue.
Another minor script tag fix.
Change how we append conflict divs.
Another append attempt.
Updated conflict message warnings.
Merge pull request #177 from drewww/heartbeat-delay-compensation

Heartbeat delay compensation