Reduced warnings on gcc 4.4.1.

Let panel applet use GLOBALFLAGS.
Check for XKBrules from XKB extension and conditionally compile code using it.

ede-desktop/Utils.cpp

@@ -305,7 +305,7 @@ Pixmap create_mask(Fl_Image* img) {
 }
 
 char* get_basename(const char* path) {
-	char* p = strrchr(path, '/');
+	char* p = (char*)strrchr(path, '/');
 	if(p)
 		return (p + 1);