Use the GlobalUniqueIndex class from this module again

Yes it is to be moved to dune-grid, but for the transition it is
easier to use the one from this module.

[[Imported from SVN: r9916]]

dune/gfe/parallel/matrixcommunicator.hh

@@ -5,7 +5,7 @@
 
 #include <dune/istl/matrixindexset.hh>
 
-#include <dune/grid/utility/globalindex.hh>
+#include <dune/gfe/parallel/globalindex.hh>
 #include <dune/gfe/parallel/mpifunctions.hh>
 
 

dune/gfe/parallel/vectorcommunicator.hh

@@ -3,7 +3,7 @@
 
 #include <vector>
 
-#include <dune/grid/utility/globalindex.hh>
+#include <dune/gfe/parallel/globalindex.hh>
 #include <dune/gfe/parallel/mpifunctions.hh>
 
 

dune/gfe/riemanniantrsolver.hh

@@ -18,7 +18,7 @@
 #include <dune/fufem/functionspacebases/p3nodalbasis.hh>
 
 #include "geodesicfeassembler.hh"
-#include <dune/grid/utility/globalindex.hh>
+#include <dune/gfe/parallel/globalindex.hh>
 #include <dune/gfe/parallel/globalp2mapper.hh>
 
 /** \brief Riemannian trust-region solver for geodesic finite-element problems */