Add bullet about DDT/orterun

This commit was SVN r15325.

NEWS

@@ -29,6 +29,9 @@ version 1.0.
 Trunk (not on release branches yet)
 -----------------------------------
 
+- Add support for the DDT parallel debugger via orterun's --debug
+  command line option.
+  --> Expected: ?1.2.4?
 - Add RDMA capable one-sided component (called rdma), which
   can be used with BTL components that expose a full one-sided
   interface.