Changes custom EDS API calls to use persistent connections
Changes custom EDS API calls to use persistent connections

This uses a persistent connection within a single rails request.

Since the EDS API calls require 4 calls to make a single search this should reduce overheard for doing that.

More information:
https://github.com/httprb/http/wiki/Persistent-Connections-%28keep-alive%29

MITLibraries/bento,MITLibraries/bento,MITLibraries/bento,MITLibraries/bento