WIP (Work In Progress).  Commenting out some of the stock tests, as they confuse me.  Minor tweaks on ips.js for retrieveSequenceNode.
Merge remote-tracking branch 'upstream/API_IPC_initialization_550' into API_IPS_utest_613

Merge from Seann's work
Adding joi validation to controller.
Working on Hub Proxy
Merged with seanns
Minor fixes to the ips unit tests