GET    /api/ping
POST   /api/auth-token
GET    /api/projects                              -- return project summaries
POST   /api/projects                              -- create a new project
GET    /api/project/<proj-id>                     -- return detailed project record (include steps)
GET    /api/project/<proj-id>/<step-id>           -- return detailed step information (include runs)
POST   /api/project/<proj-id>/<step-id>/run/<ref> -- kick off a run
GET    /api/project/<proj-id>/<step-id>/run/<ref> -- return detailed run information