Update the proxy server.
Initial add of cloud-demo
Merge pull request #238 from brendandburns/update

Initial add of the update demo for Google I/O
Set id width at 8 and pad with zeros.
Merge pull request #264 from brendandburns/padding

Set id width at 8 and pad with zeros.
Implement sync behavior for controllers.
Merge pull request #257 from brendandburns/sync

Implement sync behavior for controllers.
using hack/local-up-cluster.sh to run cluster locally
Merge pull request #266 from dchen1107/readme

using hack/local-up-cluster.sh to run cluster locally