Nano Demo

Dev Journal for getting nano-demo working (on OSX)

## Nanomsg hello world

 * create lein project with [jnanomsg "0.4.3"]
 * add `(require [nanomsg.core :as nn])`
 * Ooops 
 ```1. Unhandled java.lang.UnsatisfiedLinkError
   Unable to load library 'nanomsg': Native library
   (darwin/libnanomsg.dylib) not found in resource path
   ([file:/Users/andychambers/Projects/nano-demo/test/,
  ...
  ```