labels: Fixing linting errors.
proxy: fixing linting errors.
scheduler: use New rather than Make for construction helpers.
proxy: lock should be above the fields it protects.
Fixes golint errors in pkg/labels
Fixes golint errors in pkg/master
Fixes golint errors in pkg/proxy
Update services to use the internal IP and port, now that its available.
Add a /healthz handler to the kubelet server, so that the master can validate kubelet health.
Address comments.
Add support for memory limits in the kubelet.
Merge pull request #419 from brendandburns/health

Add a /healthz handler to the kubelet server
Add a template printer to kubecfg.
Merge pull request #433 from brendandburns/service

Update services to use the internal IP and port, now that its available.
Move guestbook.md to README.md for default display by github.
Address comments.
Merge pull request #455 from brendandburns/readme

Move guestbook.md to README.md for default display by github.
Merge pull request #454 from brendandburns/template

Add a template printer to kubecfg.
Changed op.notify<-true to close(op.notify).
Define EtcdErrorCode as constant and reuse EtcdError instances