changed names of resource-1.3; added a note on homepage on release

old-examples/tutorial/hello/HelloIta.gf

@@ -0,0 +1,10 @@
+concrete HelloIta of Hello = {
+
+  lincat Greeting, Recipient = {s : Str} ;
+
+  lin 
+    Hello rec = {s = "ciao" ++ rec.s} ;
+    World = {s = "mondo"} ;
+    Mum = {s = "mamma"} ;
+    Friends = {s = "amici"} ;
+}