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...
Allow removal of autoconf ghost files from directory
Finished cleanup of FileMQ

- removed old man pages
- removed all use of fmq_sasl
- dependency is now CZMQ 2.1.0+
Merge pull request #42 from hintjens/master

Refactored FileMQ to use CZMQ 2.1.0 and ZMTP security