Split parts of XmlIO.

Applications/ApplicationsLib/ProjectData.cpp

Applications/DataExplorer/VtkVis/VtkAlgorithmProperties.cpp

...DataExplorer/VtkVis/VtkCompositeColormapToImageFilter.cpp

Applications/DataExplorer/mainwindow.cpp

Applications/Utils/FileConverter/ConvertSHPToGLI.cpp

Applications/Utils/GeoTools/MoveGeometry.cpp

Applications/Utils/GeoTools/TriangulatePolyline.cpp

Applications/Utils/MeshEdit/MapGeometryToMeshSurface.cpp

Applications/Utils/MeshEdit/appendLinesAlongPolyline.cpp

Applications/Utils/OGSFileConverter/OGSFileConverter.cpp

BaseLib/CMakeLists.txt

BaseLib/IO/XmlIO/Qt/XMLQtInterface.cpp

BaseLib/IO/XmlIO/Qt/XMLQtInterface.h

BaseLib/IO/XmlIO/XMLInterface.cpp

BaseLib/IO/XmlIO/XMLInterface.h

FileIO/XmlIO/Qt/XmlGspInterface.cpp

FileIO/XmlIO/Qt/XmlGspInterface.h

FileIO/XmlIO/Qt/XmlNumInterface.h

GeoLib/CMakeLists.txt

GeoLib/IO/XmlIO/Boost/BoostXmlGmlInterface.cpp