storing error codes in bitset and adding MeshQualityController call to GUI
optimizsation of point on plane check
Merge branch 'master' of https://github.com/ufz/ogs
removed unused variable warnings
Removed empty line.
added array operator to error codes, removed node removal issue
added mesh analyis functionality to gui
[GMSH2OGS] Using logog.
[GMSH2OGS] Changed the way the GMSH file is read.
Using TCLAP for command line parsing. Implemented opportunities to write old and new OGS mesh file format.
changes based on PR comments
[CMake] Moved external lib urls to a separate file.
Added a CMake script for installing third-party libs (Windows).
Typos.
added break if all error codes are already set
moved zero volume check to a seperate method and corrected false implementation of element removal in removeMeshNodes
with inexpressable regret renamed MeshQualityController to MeshValidation
[GMSH2OGS] More specific desc. of gmsh file format.
[GMSH2OGS] Clearer parameter name and better desc.
[GMSH2OGS] If file extension is not msh and not vtu, set it to vtu.