Fix for bug69: set local address correctly upon UDP connect; apply correct UDP connect() semantics (that sendto cannot override addresses on a connected socket); if destination is IPv4 limited broadcast address, convert to subnet-directed broadcast and send out on each interface; provide example csma-broadcast.cc script

examples/wscript

@@ -14,6 +14,10 @@ def build(bld):
         ['csma', 'internet-node'])
     obj.source = 'csma-one-subnet.cc'
 
+    obj = bld.create_ns3_program('csma-broadcast',
+        ['csma', 'internet-node'])
+    obj.source = 'csma-broadcast.cc'
+
     obj = bld.create_ns3_program('csma-packet-socket',
         ['csma', 'internet-node'])
     obj.source = 'csma-packet-socket.cc'