Added async behavior.
Activate gce minion list.
Run cAdvisor on all minions.
Merge pull request #324 from vmarmol/add-cadvisor

Run cAdvisor on all minions.
Merge pull request #293 from brendandburns/minion

Activate cloud minion registry.
Make each pod synchronization async.
Merge pull request #320 from brendandburns/async

Make each pod synchronization in the kubelet an independent thread.
Don't double-close the channel when etcd returns an error.
Merge pull request #325 from lavalamp/etcdChanFix

Don't double-close the channel when etcd returns an error.
First piece of validation

I'm adding pieces incrementally to make sure we get full testing of each
piece.

Make syncLoop() private
Document api types wrt validation

Part 3 in a series of changes towards data validation.
improvements to integration test organization
Improve logging.
Merge pull request #312 from thockin/valid4

Document api types wrt validation
Fixed the data race found in kubelet_test.go
Merge pull request #331 from dchen1107/cleanup

Fixed the data race found in kubelet_test.go
Replace the outdated cloudcfg.sh to kubecfg.sh

Replaces the outdated cloudcfg.sh to kubecfg.sh in the dynamic update demo.
Merge pull request #326 from thockin/valid2

First piece ofn actual validation
Merge pull request #327 from lavalamp/etcdChanFix

Improvements to integration test & logging
Merge pull request #332 from thagikura/patch-1

Replace the outdated cloudcfg.sh to kubecfg.sh