Should be first commit in Fulvio's (fgal) branch.
Second commit in fgal branch
2014-10-17:  Fulvio Galeazzi; commit GARRbox architecture, including
	     a couple of pictures.
2014-10-29: internal revision
2014-11-03:  Fulvio;  Completed first draft for GARR
Merge pull request #1 from fgal/master

GARR contribution: rev 1.0