use tuple instead of Tuple

[[Imported from SVN: r998]]

istl/paamg/graphcreator.hh

@@ -31,7 +31,7 @@ namespace Dune
           IdentityMap,
           IdentityMap> PropertiesGraph;
 
-      typedef Dune::Tuple<MatrixGraph*,PropertiesGraph*> GraphTuple;
+      typedef Dune::tuple<MatrixGraph*,PropertiesGraph*> GraphTuple;
 
       template<class OF, class T>
       static GraphTuple create(const M& matrix, T& excluded,
@@ -64,7 +64,7 @@ namespace Dune
           typename SubGraph::EdgeIndexMap>
       PropertiesGraph;
 
-      typedef Dune::Tuple<MatrixGraph*,PropertiesGraph*,SubGraph*> GraphTuple;
+      typedef Dune::tuple<MatrixGraph*,PropertiesGraph*,SubGraph*> GraphTuple;
 
       template<class OF, class T, class PI>
       static GraphTuple create(const M& matrix, T& excluded,