Merge pull request #108 from lukechampine/rpc

networking fixes to State
Fix a few panics, demo works again
Merge pull request #109 from DavidVorick/demofix

Fix a few panics, demo works again
Re-add basic HandleSignedHeartbeat test
Merge pull request #110 from DavidVorick/demofix

Re-add basic HandleSignedHeartbeat test
implement all hsherr, bring back another handful of tests
finish adding HandleSignedHeartbeat tests
purged TestCompile, needs to be rehashed entirely
move files from state.go to bootstrap.go
fix race condition with mutex
Merge pull request #111 from DavidVorick/demofix

Concensus tests, break bootstrap into it's own file
redirect RPC logging
Add Close() method to MessageRouter
Add Quorum type
change Ring fields
update erasure for new Ring
use global vars and new Ring in client
update client test