[autotools] Deprecation support for Autotools.

Use CMake instead, use Dune 2.4 whenever possible.
(reviewed by bernd, approved by release manager becker)


git-svn-id: svn://svn.iws.uni-stuttgart.de/DUMUX/dumux/trunk@14470 2fb0f335-1f38-0410-981e-8018bf24f1b0