- Removed legacy OFFIX_DND support code

- Fixed the signal handler for crashes (ie, removed it) and made wmaker
  restarting be made automatically by a monitoring process.
- Made NetWM support be enabled by default
- Removed old code to store/restore workspace state (now relies on netwm)

src/appicon.h

@@ -45,7 +45,7 @@ typedef struct WAppIcon {
 
     char *command;		       /* command used to launch app */
 
-#ifdef OFFIX_DND
+#ifdef XDND
     char *dnd_command;		       /* command to use when something is */
                                        /* dropped on us */
 #endif