Moved templates.c and transfer_function.hto templates/.
Renamed function names in signalgraph.sci
	renamed:    transfer_function.t -> transfer-function.t
implementDigitalController.sci -> lib/scilab/implementDigitalController.sci
signalgraph.sci -> lib/scilab/signalgraph.sci
renamed	 signalgraph.sci -> getEmptyStateGraph.sci
new file:   makeGraphFromDiagram.sci