Depend on dune-functions

We start moving to the new infrastructure for functions
and function space bases.

[[Imported from SVN: r10073]]

dune.module

@@ -7,4 +7,4 @@ Module:dune-gfe
 Version: svn
 Maintainer: sander@igpm.rwth-aachen.de
 #depending on
-Depends: dune-grid dune-istl dune-localfunctions dune-solvers dune-fufem
+Depends: dune-grid dune-istl dune-localfunctions dune-functions dune-solvers dune-fufem