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.

tests/controls/notebooktest.cpp

@@ -50,7 +50,7 @@ private:
 
     wxNotebook *m_notebook;
 
-    DECLARE_NO_COPY_CLASS(NotebookTestCase)
+    wxDECLARE_NO_COPY_CLASS(NotebookTestCase);
 };
 
 // register in the unnamed registry so that these tests are run by default