Introduced cargo, renamed package name to just zmq.
Move Makefile above src and use cargo if present
Fixed #4, implemented connect
Update README with usage.
Add travis.
Remove useless channel end.
Fixed #5, implemented `msg_send`
Fixed #10, removed socket task.
Fixed #9, implemented REQ and REP
Refs #12, simple test for REQ/REP fsm
Apply `cargo test`
Expose SocketBase trait.
Update README with send
Rename too generic method names in PeerManager.
Merge pull request #2 from zeromq/master

Update with upstream