Revert "Freeze httparty"

This reverts commit 7e873b20bd95f6cd3d104d9147352835eecc758a.
Revert "Merge pull request #499 from gjmurakami-10gen/1.x-mongo-orchestration"

This reverts commit 7fc692999f116a11bf208a75f47e6505bad555d6, reversing
changes made to 027fbae7ec21c884f2aad8b193234c333fdc089f.