Add web and runner flags to run either service.
Gate features with the Web and Runner flags.
Launch the job runner first.

`http.ListenAndServe()` blocks, of course.
Configurable polling time.
Storage method to poll for jobs.
Create a dummy job runner.
Update job status and timestamps as you "run".
Configure the base image.
Configurable Docker host, too.
Connect to Docker.
Godep the Docker client.
SubmittedJob can derive its own container name.
Mount the Docker sock and stay root.
Ongoing work on the job runner.
Swap default image out to be rgbkrk/inrhocloud
Merge pull request #12 from rgbkrk/default-in-rhocloud

Swap default image out to be rgbkrk/inrhocloud
Use OutputCollectors instead of buffers.
Run commands with sh -c.
Change the sample command.
Use my fork of go-dockerclient, for now.