Change error printing for easier debugging
Fix interface{} in api/types.go; plumb through system.
Change kublet to serve podInfo instead of containerInfo. Plumb through system.
rearrange RunKubelet's parameters so that address and port are next to each other
Allow master's pod info getter to be faked. Wire up in integration tests in futile attempt to make travis pass.
Add logging, fix crash

Crash was in kublet_server when fake docker client gives it nil pointer.
Merge pull request #318 from lavalamp/test_fix

Fix interface{} in api/types