Initial add of an environment variable for the kubernetes master.
Use ID instead of Id (go style) everywhere

Fixes #278
Merge pull request #321 from smarterclayton/use_capital_id

Use ID instead of Id (go style) everywhere
travis: add go 1.3 target
travis: temporary disable tip

workaround gofmt failure, until #322 is in
Merge pull request #323 from proppy/master

travis: add go 1.3 target
Merge pull request #319 from brendandburns/kubecfg

Initial add of an environment variable for the kubernetes master.
Add sync behavior to the pod registry.  Expand tests.