Use wx-prefixed macros throughout the repository.

Change {DECLARE,IMPLEMENT}_*CLASS and {DECLARE,BEGIN,END}_EVENT_TABLE
occurrences to use the wx-prefixed version of the macros.

include/wx/generic/buttonbar.h

@@ -114,8 +114,8 @@ private:
     int m_labelMargin;
 
 private:
-    DECLARE_DYNAMIC_CLASS(wxButtonToolBar)
-    DECLARE_EVENT_TABLE()
+    wxDECLARE_DYNAMIC_CLASS(wxButtonToolBar);
+    wxDECLARE_EVENT_TABLE();
 };
 
 #endif