Merge branch 'feature/vtk_writer' into 'master'

dune.module

examples/boundary.cc

examples/convection_diffusion.cc

examples/ellipt.cc

examples/init/boundary.dat.2d

examples/init/cahn_hilliard.dat.2d

examples/init/ellipt.dat.2d

examples/init/ellipt.dat.3d

examples/init/heat.dat.2d

examples/init/stokes.dat.2d

examples/init/surface.dat.2d

examples/neumann.cc

examples/vecellipt.cc

src/amdis/AdaptInfo.hpp

src/amdis/BoundaryManager.hpp

src/amdis/CMakeLists.txt

src/amdis/FileWriterInterface.hpp

src/amdis/ProblemStat.hpp

src/amdis/ProblemStat.inc.hpp

src/amdis/ProblemStatBase.hpp