one part which checks everything that is required to use dumux as a
dependency, the other part is stuff which is only necessary for
stand-alone builds (e.g. the handbook).

git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@7268 2fb0f335-1f38-0410-981e-8018bf24f1b0