2005-06-15 Mattia Belletti <mbellett@cs.unibo.it>

	* Solved bug which caused sometimes VDE switch to hang forever in the trial
	of sending a packet (Mattia Belletti and Ludovico Gardenghi).
	* Improved cleanup phase on exit or signals (Mattia Belletti).
	* Better --help and --version informations (Mattia Belletti).
	* Automatic generation of the -nics qemu option (Renzo Davoli).
	* slirp ethernet address management (only one client was correctly managed
	before) (Renzo Davoli).
