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/net/socket.cpp

@@ -107,7 +107,7 @@ private:
 
     static bool ms_useLoop;
 
-    DECLARE_NO_COPY_CLASS(SocketTestCase)
+    wxDECLARE_NO_COPY_CLASS(SocketTestCase);
 };
 
 bool SocketTestCase::ms_useLoop = false;