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/infobar.h

@@ -131,7 +131,7 @@ private:
                  m_hideEffect;
     int m_effectDuration;
 
-    DECLARE_EVENT_TABLE()
+    wxDECLARE_EVENT_TABLE();
     wxDECLARE_NO_COPY_CLASS(wxInfoBarGeneric);
 };