Moved fmq_dir, fmq_hash, fmq_patch classes to CZMQ

* Simplified project structure somewhat
* Windows projects not modified yet; we should use project generator from CZMQ
Modified project to use new FILEMQ v2 protocol

- removed ORYL and YARLY commands
- authentication no longer happens in server
- still need to implement socket-level PLAIN and CURVE security...