now using the improved vtkout method,
 the problem from the transportproblem2.hh
 and (if wanted) load balancing is used too now and explained in the howto.

creadits to Martin Drohmann

[[Imported from SVN: r237]]

 parallel runs of the finite volume example. The writePVD shell script makes a
 paraview video data file which is documented in the howto. The script is copied
 from the dune-femhowto.

creadits to Martin Drohmann

[[Imported from SVN: r235]]

[[Imported from SVN: r201]]

[[Imported from SVN: r161]]

[[Imported from SVN: r96]]

[[Imported from SVN: r95]]

   the correct line numbers in the howto
 * adjusted the global refinement und the dimension of the grid in
   visualization.cc
 * adjusted the number of refinement steps in integration.cc
 * several fixes in grid-howto.tex


[[Imported from SVN: r93]]

version. 


[[Imported from SVN: r85]]

* fixed dune include paths

[[Imported from SVN: r56]]

[[Imported from SVN: r27]]

[[Imported from SVN: r21]]

[[Imported from SVN: r14]]

still missing: Alberta intersection iterator conforming to interface

[[Imported from SVN: r13]]

still does not work portably on UG and Alberta

[[Imported from SVN: r12]]