[[Imported from SVN: r3209]]

Used the fabulous DUNE debug streams to automatically disable debug
output in productive runs.

[[Imported from SVN: r3208]]

Interpolation after refine needs correct access to leaf vertex index/id
also on coarser grids. It now works but has to be done in sgrid as well.

[[Imported from SVN: r3207]]

CAUTION: The sgrid still needs reworking of the index/id sets. See yaspgrid
log message

[[Imported from SVN: r3206]]

Also minor changes in the referenceElementCoordinatesUnrefined method.
But mostly face liftings.

[[Imported from SVN: r3205]]

[[Imported from SVN: r3204]]

[[Imported from SVN: r3203]]

using just the face is used now.

[[Imported from SVN: r3202]]

[[Imported from SVN: r3201]]

one in ALUGrid has a different reference element.

[[Imported from SVN: r3200]]

[[Imported from SVN: r3199]]

[[Imported from SVN: r3198]]

[[Imported from SVN: r3197]]

[[Imported from SVN: r3196]]

For normal calculation also use directly the FieldVector and don't copy
the vertors first.

[[Imported from SVN: r3195]]

[[Imported from SVN: r3194]]

[[Imported from SVN: r3193]]

[[Imported from SVN: r3192]]

Removed typos.

[[Imported from SVN: r3191]]

[[Imported from SVN: r3190]]

[[Imported from SVN: r3189]]

[[Imported from SVN: r3188]]

[[Imported from SVN: r3187]]

Also added assertion for copy constructor of Level and Leaf Iterators that
check whether an iterator cna be copied or not.

[[Imported from SVN: r3186]]

[[Imported from SVN: r3185]]

[[Imported from SVN: r3184]]

Why the hell does \copydoc not copy the \brief block ?!

[[Imported from SVN: r3183]]

[[Imported from SVN: r3182]]

[[Imported from SVN: r3181]]

Welcher Verbrecher hat denn an dem levelIndexSets_ rumgefummelt?

[[Imported from SVN: r3180]]

[[Imported from SVN: r3179]]

[[Imported from SVN: r3178]]

[[Imported from SVN: r3177]]

[[Imported from SVN: r3176]]

exported at 60dpi to achieve a common and reasonable size.

[[Imported from SVN: r3175]]

[[Imported from SVN: r3174]]

* merged refelements.wml into doxygen docu
* point reference elements link to new location

[[Imported from SVN: r3173]]

[[Imported from SVN: r3172]]

expect that.

[[Imported from SVN: r3171]]

[[Imported from SVN: r3170]]