Load/destroy tray icons on init/shutdown

src/tray.h

@@ -37,7 +37,7 @@
 
 void tray_init(void);
 void tray_update(void);
-void tray_close(void);
+void tray_shutdown(void);
 
 /*
  * Create tray icon
@@ -45,10 +45,10 @@ void tray_close(void);
  * This will initialize the timer that will be called in order to change the icons
  * and will search the icons in the defaults paths
  */
-void create_tray(void);
+void tray_enable(void);
 /*
  * Destroy tray icon
  */
-void destroy_tray(void);
+void tray_disable(void);
 
 #endif