restore inventory and healthbar

* make inventory/healthbar work again allowing reload
* changes in top menu toggle buttons
* all modules are now reloadable by default
* fix warning when using fade in
* remove some unused files

modules/client_background/background.lua

@@ -25,6 +25,7 @@ function Background.terminate()
   disconnect(g_game, { onGameStart = Background.hide })
   disconnect(g_game, { onGameEnd = Background.show })
 
+  Effects.cancelFade(background:getChildById('clientVersionLabel'))
   background:destroy()
   background = nil
 

modules/client_background/background.otmod

@@ -3,7 +3,6 @@ Module
   description: Handles the background of the login screen
   author: OTClient team
   website: https://github.com/edubart/otclient
-  reloadable: true
 
   dependencies:
     - client_topmenu