Minor changes in text, like removed superfluous commas, missing space,

removed surplus word and fixed FORTRAN to Fortran because it's already called
that way for more than 20 years.


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@5817 2fb0f335-1f38-0410-981e-8018bf24f1b0