move MeshInformation into MeshLib namespace
add missing include in OGSFileConverter
make MemWatch class being accessible on any platforms, though it does nothing on Windows and Mac.
add a tool checkMesh
fix indentation
use Git SHA for version number
use FileIO::readMeshFromFile()
make the input file argument as unlabeled
add -v option to validate the mesh using MeshValidation class
introduce getNBaseNodes() to Element
add nonlinear nodes into Mesh
Merge pull request #502 from norihiro-w/tool-mesh-summary

new tool "checkMesh"
Merge pull request #507 from norihiro-w/rename-getNBaseNodes

introduce getNBaseNodes() to Element
[PL] Add mesh subset to initialize().
[PL] Initialize MeshSubsets and MeshComponentMap.
[PL] Rename mesh_items_all_nodes; items->subset.
[PL] Add destructor for GroundwaterFlowProcess.
[PL] Move mesh_component_map to class variables.

...from the initialize().
Also delete it in the dtor.
[PL] Add createDofMap() in Process.
[PL] Use number of node's DOF in createDOFMap().