spec out not holding the backend outside of its protective block
switch from holding the backend to yielding it
Merge branch 'bk-crdt' into bk-security
Pull the socket creation into a new ProtobuffsSocket class
Remove the Node#ssl_options accessor, nothing uses it.
document ProtobuffsSocket's TlsInitiator a bit more
The socket is more properly beefcake, and not protobuffs in general