Refactoring

Refactored Protocol.Name -> Protocol.Type; added Encapsulation field
Refactored TLS parsing; added support for ALPN

cmd/dpi-protocol-probe/main.go

@@ -41,5 +41,5 @@ func main() {
 		os.Exit(3)
 	}
 
-	fmt.Printf("Protocol at address %q is %s version %s (confidence %g%%)\n", address, protocol.Name, protocol.Version, confidence*100)
+	fmt.Printf("Protocol at address %q is %s version %s (confidence %g%%)\n", address, protocol.Type, protocol.Version, confidence*100)
 }