changed MeshElemType2String to convert to complete words instead of abbreviations
Changed devguide url.
renamed mesh quality classes to more meaningful names and added some documentation
moved Mesh::removeUnusedMeshNodes() to new MeshQualityController class and removed duplicate code from removeMeshNodes command line tool
Merge pull request #327 from rinkk/RenameElementQualityClasses

Renaming of mesh quality classes
added error code to mesh element geometry checks
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
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
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.