Copy proxy settings from the CloudSearch connection to the endpoint services. This is useful when
using a forward proxy in conjunction with CloudSearch's IP-based security.
Merge branch 'develop' into cloudsearch2-proxy
Fixed tests; added proxy and use_proxy attributes to cloudsearch test connection
Use mock connections instead of real ones in tests
Merge pull request #2513 from N3TWORK/cloudsearch2-proxy

Copy CloudSearch proxy settings to endpoint services. Fixes #2513.