NOISSUE update component buttons some more when the versions change

api/logic/minecraft/ComponentList.h

@@ -104,6 +104,9 @@ public:
     /// if there is a save scheduled, do it now.
     void saveNow();
 
+signals:
+    void minecraftChanged();
+
 public:
     /// get the profile component by id
     Component * getComponent(const QString &id);