"test_10" example:
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* Description: two periodic threads send data to another periodic thread.

* One deployement are provided, ping-local deploys one node, the two 
threads are on the same node.

* Compilation: issue "make" in the root directory

* Run: tsim node_a

 fusion options : -f node_a -t1 pinger -t2 ping_me

* Warning : generate code does not compile yet, because of port variable initialization.

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tests :
* fusion of threads with no specified dispatch protocol
* deletion of useless threads and process implementation and types
* deletion of useless features in threads
* management of multi-value call sequence
* duplicated inter-subprograms connections
* inter-dependancy management
* same priorities