added missing methods ghostSize(int,int) and overlapSize(int,int)

[[Imported from SVN: r3694]]

grid/uggrid.hh

@@ -343,14 +343,26 @@ namespace Dune {
     /** \brief Returns UGGrid_Id for run-time type identification */
     GridIdentifier type () const { return UGGrid_Id; };
 
+    /** \brief Size of the overlap on the leaf level */
     unsigned int overlapSize(int codim) const {
       return 0;
     }
 
+    /** \brief Size of the ghost cell layer on the leaf level */
     unsigned int ghostSize(int codim) const {
       return (codim==0) ? 1 : 0;
     }
 
+    /** \brief Size of the overlap on a given level */
+    unsigned int overlapSize(int level, int codim) const {
+      return 0;
+    }
+
+    /** \brief Size of the ghost cell layer on a given level */
+    unsigned int ghostSize(int level, int codim) const {
+      return (codim==0) ? 1 : 0;
+    }
+
     /** \brief Distributes this grid over the available nodes in a distributed machine
      *
        \param minlevel The coarsest grid level that gets distributed