1. wColour now accepts both grey and gray under MSW

2. implemented setting colours for rich edit controls


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@7702 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/msw/textctrl.h

@@ -127,6 +127,11 @@ public:
 #if wxUSE_RICHEDIT
     bool IsRich() const { return m_isRich; }
     void SetRichEdit(bool isRich) { m_isRich = isRich; }
+
+    // rich edit controls are not compatible with normal ones and wem ust set
+    // the colours for them otherwise
+    virtual bool SetBackgroundColour(const wxColour& colour);
+    virtual bool SetForegroundColour(const wxColour& colour);
 #endif // wxUSE_RICHEDIT
 
     virtual void AdoptAttributesFromHWND();