testing use of C++ FLTK GUI lib from D code.

FLTK version 1.3.0
http://www.fltk.org/

The GUI is defined in C++ using FLTK Fluid, in a class that implements an Interface paralled in C++/D,
the C++ GUI is accessed through this interface and vice-versa for the C++ code calling D functions.

FLTK & is licensed under multiple licenses, see copyright_fltk
testFltkD is Licensed under the Academic Free License version 3.0
see License.txt or License.html 

Philippe Quesnel
kwez555@hotmail.com