Use Go 1.4 'generate' to create XDR codec

message.go

@@ -13,6 +13,9 @@
 // You should have received a copy of the GNU General Public License along
 // with this program. If not, see <http://www.gnu.org/licenses/>.
 
+//go:generate -command genxdr go run ../../Godeps/_workspace/src/github.com/calmh/xdr/cmd/genxdr/main.go
+//go:generate genxdr -o message_xdr.go message.go
+
 package protocol
 
 import "fmt"