Capsule SPDZ MPC Demo

[iamtrask]

Description: In this PySyft Demo Notebook for SPDZ MPC 2 different people (server1, server2) split up the ownership of any tensors created. In this issue, we want to simulate a Tensor holder so that... for example "server1" could create a tensor and the roles of "server2" would happen on the Capsule with all interactions between the two using the network (ZeroMQ).

Acceptance Criteria:

• The PySyft Demo Notebook for SPDZ MPC 2 different people (server1, server2) runs except server2 runs exclusively on Capsule. server1 only interacts with server2 via a network connection
• Demo Tutorial on our Youtube Channel