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.

src/msw/utilsexc.cpp

@@ -188,10 +188,10 @@ public:
     }
 
 private:
-    DECLARE_DYNAMIC_CLASS(wxExecuteModule)
+    wxDECLARE_DYNAMIC_CLASS(wxExecuteModule);
 };
 
-IMPLEMENT_DYNAMIC_CLASS(wxExecuteModule, wxModule)
+wxIMPLEMENT_DYNAMIC_CLASS(wxExecuteModule, wxModule);
 
 #if wxUSE_STREAMS && !defined(__WXWINCE__)