Updated SPONSORS with latest donor information

git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@6069 c8812cc2-4d05-0410-92ff-de0c093fc19c

SPONSORS

@@ -10,6 +10,7 @@
 # website entry is optional.
 Albin Blaschkar|www.albinblaschka.info
 Alessandro Pasotti|www.itopen.it
+Alessandro Sarretta
 Alexandre Leroux
 Carl Nelson
 David Enns|www.mapitout.com
@@ -21,10 +22,12 @@ Laura Burnette
 Lorenzo Becchi|ominiverdi.org
 Luca Casagrande 
 Maciej Sieczka
+Massimo Cuomo|www.acsys.it
 Mateusz Loskot|mateusz.loskot.net
 Matt Wilkie
 Niccolo Rigacci|www.rigacci.org
 Paolo Cavallini|www.faunalia.it
+Ragnvald Larsen|www.mindland.com
 Raymond Warriner
 Stefano Menegon|www.mpasol.it
 Stephan Holl