BRIDGE-1946: set hostname on new relic to instance IDs
BRIDGE-1946: set hostname on new relic to instance IDs

Setting hostname to EC2 instance IDs is more meaningful than
the IP address.

DwayneJengSage/BridgePF,alxdarksage/BridgePF,Sage-Bionetworks/BridgePF,Sage-Bionetworks/BridgePF,alxdarksage/BridgePF,Sage-Bionetworks/BridgePF,alxdarksage/BridgePF,DwayneJengSage/BridgePF,DwayneJengSage/BridgePF