added boost GML reader
moved vtu interface to boost directory
[Utils] New tool that moves a mesh.
[Utils] Displacement vector can be given via cli.
[Utils] More clear var. name: center->displacement.
[Utils] More general name for tool.
[Utils] Better description of tool and cli args.
[Tests] Test for move mesh nodes.
[MeshLib] Move mesh nodes functionality.
[Util] Using functionality from MeshEditing/moveMeshNodes.h.
[Utils] Fixed inconsistencies in include path.
[Utils] Calc displacement in z direction.
[Utils] Option to specify file name for output.
changed sources based on PR comments
changed the gml-standard to require z-coordinates for points, changed qt-gml-interface to avoid problems based on PR comments to boost
made static method private non-static; changed include order
gml-reader will now abort when name-tag is empty; removed superfluous warnings in qt-reader (already covered by validator)
fixed indentation
updated data conversion methods in qt gml reader
replaced lengthy QString to number conversions via stdlib by Qt native conversion methods