Opengl clean up

Box/Box.cpp

Common/Context.cpp

Common/Context.h

Common/GetOptions.cpp

Fltk/Callbacks.cpp

Fltk/Colorbar_Window.cpp

Fltk/Colorbar_Window.h

Fltk/GUI.cpp

Fltk/GUI.h

Fltk/Main.cpp

Fltk/Opengl.cpp

Fltk/Opengl_Window.cpp

Graphics/CreateFile.cpp

Graphics/Draw.cpp

Graphics/Draw.h

Graphics/Geom.cpp

Graphics/Mesh.cpp

Graphics/Scale.cpp

Makefile

Motif/CbContext.cpp