recategorize many misplaced classes; move lots of classes from miscellaneous [window] category to more specific categories; add the 'Book controls' and the 'Application and system configuration' class groups

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@59051 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

interface/wx/filectrl.h

@@ -40,14 +40,14 @@
     @endEventTable
 
     @library{wxbase}
-    @category{miscwnd}
+    @category{ctrl}
     @appearance{filectrl.png}
 
     @nativeimpl{wxgtk}
 
     @see wxGenericDirCtrl
 */
-class wxFileCtrl : public wxWindow
+class wxFileCtrl : public wxControl
 {
 public:
     wxFileCtrl();