add DisplayDMX + End the DMX thing to make it be more orthogonal

DisplayDMX.c

@@ -73,6 +73,7 @@ static void DMXUpdate(void * id, struct NoteFinder*nf)
 
 		if( !led->devh )
 		{
+			led->did_init = 0;
 			fprintf( stderr,  "Error: Cannot find device.\n" );
 //			exit( -98 );
 		}

dmx.conf

@@ -5,6 +5,8 @@ ledoutamp = 1.0
 leds = 4
 lightx = 2
 lighty = 2
+light_siding = 1.6
+
 
 note_attach_amp_iir = .3000
 note_attach_amp_iir2 = .1500