"import" example:
-----------------

* Description: one thread pings another thread periodically and one
	use a C function

* One deployement is provided, 
  1. ping.aadl deploys two nodes using TCP/IP, one thread per node,

* Compilation: issue "make" in the root directory

* Run: launch node_b, then node_a, or just node_a for the local case

* The C function is in the test.c file

