Create the OCAbesync Helper Object

[opencrypto]

To provide support for multiple back-end communication interface, we need an object that will handle multiple queries (client-side) to all the participating online backends and implements the import/export functions for "FE-to-BE" communication. This client will provide an API for spreading queries across multiple BEs and queries through "proxy" FEs (i.e., querying the available CAs from FEs via the ('sync') interface.