Merge pull request #8 from TomFischer/Remove_Warnings

.travis.yml

FileIO/XmlIO/Qt/XMLQtInterface.cpp

FileIO/XmlIO/Qt/XmlLutReader.h

GeoLib/Raster.cpp

GeoLib/Raster.h

Gui/DataView/CMakeLists.txt

Gui/DataView/CondFromRasterDialog.cpp

Gui/DataView/MeshElementRemovalDialog.cpp

Gui/DataView/MeshLayerEditDialog.cpp

Gui/DataView/MeshLayerEditDialog.h

Gui/VtkVis/VtkCompositeColormapToImageFilter.cpp

Gui/VtkVis/VtkRaster.cpp

Gui/mainwindow.cpp

MathLib/MathTools.cpp

MathLib/MathTools.h

MeshLib/MeshEditing/ElementExtraction.cpp

MeshLib/MeshEditing/ElementExtraction.h

MeshLib/MeshEditing/MeshRevision.cpp

MeshLib/MeshEditing/MeshRevision.h

MeshLib/MeshGenerators/MeshGenerator.cpp