Fixed bugs that were preventing NVR and Flash files from behind saved;

A lot of clean ups from waltje;
Start of a directory structure for the code, thanks to waltje.

src/mouse_serial.c

@@ -85,9 +85,13 @@ sermouse_init(void)
     memset(ms, 0x00, sizeof(mouse_serial_t));
 
     /* Attach a serial port to the mouse. */
-        ms->serial = &serial1;
-        serial1.rcr_callback = sermouse_rcr;
-        serial1.rcr_callback_p = ms;
+#if 1
+    ms->serial = serial_attach(0, sermouse_rcr, ms);
+#else
+    ms->serial = &serial1;
+    serial1.rcr_callback = sermouse_rcr;
+    serial1.rcr_callback_p = ms;
+#endif
 
     timer_add(sermouse_timer, &ms->delay, &ms->delay, ms);
 
@@ -101,7 +105,11 @@ sermouse_close(void *priv)
     mouse_serial_t *ms = (mouse_serial_t *)priv;
 
     /* Detach serial port from the mouse. */
+#if 1
+    serial_attach(0, NULL, NULL);
+#else
     serial1.rcr_callback = NULL;
+#endif
 
     free(ms);
 }