Added cnt benchmark

    * Makefile.am: Added cnt benchmark
    * Makefile.in: Regenerated
    * analysis/simulator.in: Added cnt benchmark
    * configure: Regenerated
    * configure.ac: Added cnt benchmark
    * src/cnt/Makefile.am: Automake file for cnt
    * src/cnt/Makefile.in: Regenerated
    * src/cnt/cnt.c: Source for cnt
Added duff benchmark

    * Makefile.am: Added duff benchmark
    * Makefile.in: Regenerated
    * analysis/simulator.in: Added duff benchmark
    * configure: Regenerated
    * configure.ac: Added duff benchmark
    * src/duff/Makefile.am: Automake file for duff
    * src/duff/Makefile.in: Regenerated
    * src/duff/duff.c: Source for duff