Added command \Cplusplus that hurts the eye much less.
Used \Dune instead of Dune in chapter 1.
Added \texttt to some dunecontrol words where it was missing.
Fixed a type.


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@8644 2fb0f335-1f38-0410-981e-8018bf24f1b0