In Berlin it was decided that Dune::array should not be substituted by

std::tr1::array, but only by std::array. The reason is to avoid the
alignment bug is gcc-4.[012]

This allows Dune::FieldVector to inherit from Dune::array.

[[Imported from SVN: r5829]]

dune/common/array.hh

@@ -14,8 +14,6 @@
 // Include system implementation of array class if present
 #ifdef HAVE_ARRAY
 #include <array>
-#elif defined HAVE_TR1_ARRAY
-#include <tr1/array>
 #else
 #include <algorithm>
 #endif
@@ -30,8 +28,6 @@ namespace Dune
 
 #ifdef HAVE_ARRAY
   using std::array;
-#elif defined HAVE_TR1_ARRAY
-  using std::tr1::array;
 #else
 
   /** \brief Simple fixed size array class.  This replaces std::array,