Summary:
folly::dynamic, std::string, implicit constructors and method overloading is not a good combination.
This renames the send method to sendRaw as to avoid issues with existing plugins currently sending string params.
Reviewed By: mweststrate
Differential Revision: D38827539
fbshipit-source-id: 653f62e41ebfbe93d1af25f39c81f6b05bf84cb4