1. preparation of XRC handlers for subclassing (Alex)
2. fixed incorrect use of _() in couple of places
3. wxFrame and wxDialog positioning fixes
4. menus and toolbars attach themselves to the parent frame
5. style unification: let all _T()s be wxT()s
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@13205 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775