Fix regression reset on select

I removed the option to reset the menu when `select` is called without
considering the use case where users always want to reset. This commit
adds it back in.

Author: jonblack

MenuSystem.cpp

@@ -226,12 +226,14 @@ void MenuSystem::reset()
     _p_root_menu->reset();
 }
 
-void MenuSystem::select()
+void MenuSystem::select(bool reset)
 {
     MenuComponent* pComponent = _p_curr_menu->activate();
 
     if (pComponent != NULL)
         _p_curr_menu = (Menu*) pComponent;
+    else
+        if (reset) this->reset();
 }
 
 boolean MenuSystem::back()

MenuSystem.h

@@ -83,7 +83,7 @@ class MenuSystem
     boolean next(boolean loop=false);
     boolean prev(boolean loop=false);
     void reset();
-    void select();
+    void select(boolean reset=false);
     boolean back();
 
     void set_root_menu(Menu* p_root_menu);