update version to 2.9

dune.module

@@ -4,7 +4,7 @@
 
 # Name of the module
 Module: dune-c1elements
-Version: 0.1
+Version: 2.9
 Maintainer: maik.porrmann@tu-dresden.de
 # Required build dependencies
 Depends: dune-common dune-geometry dune-localfunctions (>= 2.9) dune-functions dune-typetree dune-grid