some more include rearangements for boost/python

modules/gui/pymod/data_viewer_proxy.cc

modules/gui/pymod/wrap_gui.cc

modules/gui/src/data_viewer/data_viewer.cc

modules/gui/src/gl_canvas.cc

modules/gui/src/gosty.cc

modules/gui/src/gosty_app.hh

modules/gui/src/main.hh

modules/gui/src/panels/panel_bar_widget_holder.cc

modules/gui/src/python_shell/python_shell.cc

modules/gui/src/scene_menu.cc