Merge pull request #2 from pmorie/build-poc

WIP: continued build jobs
Add initial support for persisting Jobs

Add RESTStorage implementation, etcd, memory registry support.
Merge pull request #3 from ncdc/build-poc

Add initial support for persisting Jobs
Support run-once restart policy
Support stopped containers
Add jobs support to Client

Add ListJobs and UpdateJob to client.Client.
Modify BuildJobManager to use these methods.
Merge pull request #4 from ncdc/build-poc-andy

Add jobs support to Client
Add build-job-manager to list of built binaries and fix compilation errors