added the classes IOError and MathError but we may need more later

[[Imported from SVN: r714]]

- add --enable-dunedevel which switches a define DUNE_DEVEL_MODE that
  in turn can be used to activate more output (will e.g. be used for
  exception output format)
- --with-dune works with both the directory above and the real
  dune-dir... if the directory is called "dune". Well, otherwise the
  includes won't work anyway :)

[[Imported from SVN: r713]]

call DUNE_SUMMARY_ALL

[[Imported from SVN: r712]]

get it running! Short version: either mpiCC is used globally for all
compilations OR we need two ./confugure-scripts and based on the
directory MPI is used or not OR we extract the flags from mpiCC. I've
decided for the latter, "works for me"(tm) with both MPICH and LAM
however I wouldn't be surprised if it's not working for all of us...

Longer explanation is in the comment-part of the test.

[[Imported from SVN: r711]]

[[Imported from SVN: r710]]

- print is const
- the name_ member variable is now std::string
- bugfix: copy constructor didn't copy name_

[[Imported from SVN: r709]]

"BaseFunctionSet". Together with the following "@ingroup
BaseFunctionSet" it created a nice recursion :)

[[Imported from SVN: r708]]

[[Imported from SVN: r707]]

[[Imported from SVN: r706]]

[[Imported from SVN: r705]]

  http://hal.iwr.uni-heidelberg.de/dune/doxygen/doxygen.log

[[Imported from SVN: r704]]

[[Imported from SVN: r703]]

fest eingebaut (==1).  Darum funktionierte der Operator nicht für lineare
Finite Elemente.  Jetzt ist die Quadraturordnung ein Templateargument der
Klasse.  Das ist aber nur als Übergangslösung gedacht.  Eigentlich sollte
man den erforderlichen Polynomgrad doch automatisch bestimmen können, oder?

[[Imported from SVN: r702]]

[[Imported from SVN: r701]]

[[Imported from SVN: r700]]

[[Imported from SVN: r699]]

[[Imported from SVN: r698]]

[[Imported from SVN: r697]]

[[Imported from SVN: r696]]

[[Imported from SVN: r695]]

[[Imported from SVN: r694]]

[[Imported from SVN: r693]]

choosen now.

[[Imported from SVN: r692]]

[[Imported from SVN: r691]]

[[Imported from SVN: r690]]

[[Imported from SVN: r689]]

DUNE_PKG_CPPFLAGS.

[[Imported from SVN: r688]]

DefaultIntersectionIterator.

[[Imported from SVN: r687]]

object.

[[Imported from SVN: r686]]

[[Imported from SVN: r685]]

used with grape.

[[Imported from SVN: r684]]

[[Imported from SVN: r683]]

[[Imported from SVN: r682]]

gegebenen Zeile über alle Nichtnulleinträge dieser Zeile iteriert.
Im Gegenzug für die Funktion val() auskommentiert, denn sie sollte
jetzt nicht mehr nötig sein.y

[[Imported from SVN: r681]]

[[Imported from SVN: r680]]

[[Imported from SVN: r679]]

[[Imported from SVN: r678]]

[[Imported from SVN: r677]]

[[Imported from SVN: r676]]

Furthermore reduced number of grid alktroughs.

[[Imported from SVN: r675]]