Minimal Rust bindings for Ivy messaging bus
See http://www.eei.cena.fr/products/ivy/ for details about the Ivy messaging bus.
This library is work in progress. Currently it allows building a Rust application using Ivy bus. Implemented functions are:
- ivy_bind_msg
 - ivy_change_msg
 - ivy_init
 - ivy_main_loop
 - ivy_send_msg
 - ivy_start
 - ivy_stop
 - ivy_unbind_msg
 
See https://github.com/podhrmic/ivy-rust/blob/master/src/main.rs for a sample program.