[disc] super fast het. projection
[param] delete deprecated parameter container
[all] post paramaterContainer removal fixes
[fem] remove deprecated file io
[la] fix missing header, throw away Norm ns
[df] cleanup het. projection
[la.container.eigen] added copy constructors
[cmake] removed obsolete eigen and superlu find scripts
[m4.ax_boost_base] added
[m4.ax_boost_filesystem] added
[m4] replaced DUNE_BOOST_BASE by AX_BOOST_BASE

because DUNE_BOOST_BASE gave a nonfatal configure error
[m4] added boost-filesystem
[m4] added eigen as an optional dependency
[cmake] added local PATH, LD_LIBRARY_PATH and PKG_CONFIG_PATH for qtcreator

I think it wont hurt in other usecases
[m4.dune-stuff] minor change in eigen msg
[cmake] fixed findindg of eigen
[examples.grid.provider] added gmsh option
[cmake] fixed grids
[grid.provider.starcd] added
[m4] added EIGEN_CFLAGS