get a dimension from an element type
support non-square elements in regular mesh generation
support non-square elements in generateStructuredMesh tool
fix clang warnings
indent by one tab to align the parameters
move getElementDimension() to generateStructuredMesh.cpp
subdivided gmsh reading method a bit and added handling of physical names tag
check input stream
Merge pull request #526 from rinkk/GMSHNamesFix

[BugFix] GMSH interface handling of PhysicalNames-Tag
Merge pull request #494 from norihiro-w/support-lxly-quad-meshing

Support non-square elements in regular quad mesh generation
[A] Reorder command line argument.
[A] Return 0 at end of the programm.
[A] Move loops together.
[A] Add version info.
[A] Clarify help for element types.
[A] Whitespace.
Merge pull request #527 from endJunction/support-lxly-quad-meshing

Support lxly quad meshing
Package also boost libs.
Package also png.