Lots of minor GTK2 updates.

Added wxFont SetNoAntiAliasing which cannot cause
    problems with existing apps since it doesn't
    changing the current style flags.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_4_BRANCH@17636 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/gtk/dcclient.h

@@ -118,6 +118,8 @@ public:
     wxWindow     *m_owner;
     wxRegion      m_currentClippingRegion;
     wxRegion      m_paintClippingRegion;
+    
+    // PangoContext stuff for GTK 2.0
 #ifdef __WXGTK20__
     PangoContext *m_context;
     PangoFontDescription *m_fontdesc;