Moved XML implementations deploying Qt stuff into subfolder.

FileIO/CMakeLists.txt

FileIO/XmlIO/Qt/XMLQtInterface.cpp

FileIO/XmlIO/Qt/XMLQtInterface.h

FileIO/XmlIO/Qt/XmlCndInterface.cpp

FileIO/XmlIO/Qt/XmlCndInterface.h

FileIO/XmlIO/Qt/XmlGmlInterface.cpp

FileIO/XmlIO/Qt/XmlGmlInterface.h

FileIO/XmlIO/Qt/XmlGspInterface.cpp

FileIO/XmlIO/Qt/XmlGspInterface.h

FileIO/XmlIO/Qt/XmlLutReader.h

FileIO/XmlIO/Qt/XmlStnInterface.cpp

FileIO/XmlIO/Qt/XmlStnInterface.h

Gui/VtkVis/VtkAlgorithmProperties.cpp

Gui/VtkVis/VtkCompositeColormapToImageFilter.cpp

Gui/mainwindow.cpp

Tests/FileIO/TestXmlGmlReader.cpp

Utils/FileConverter/ConvertSHPToGLI.cpp

Utils/FileConverter/generateBCFromPolyline.cpp

Utils/FileConverter/generateBCandGLI.cpp