use new environment class

test/ResizeTest.cpp

@@ -25,7 +25,7 @@ struct NotResizable {};
 
 int main(int argc, char** argv)
 {
-  AMDiS::init(argc, argv);
+  Environment env(argc, argv);
 
   Vec1 vec1;
   Vec2 vec2;
@@ -61,6 +61,5 @@ int main(int argc, char** argv)
   static_assert(not Concepts::VectorResizable_t<NotResizable>::value, "");
   static_assert(not Concepts::MatrixResizable_t<NotResizable>::value, "");
 
-  AMDiS::finalize();
   return 0;
 }