node-red nodes for green hippo api calls

Please note Green Hippo API component is required to be running on the system.
If hippo is not running Engine Status Running will still report FALSE 

GH-API -  node for a API call.

GH-Info - node to call engine status and report back full JSON, engine status, media manager status. 

Media Manager Status is a query of the Status /StatusCompontnet/System Status Pin
'MediaManager:Ready' when running as normal or 'MediaManager:Uploading' when uploading content

please refer to the following guide for API calls
https://api.tvone.com/products/green-hippo/hippotizer-media-servers/rest_api.html


Example Flow
![hipponode](./examples/hipponode.png)