Update JSON-PP to CPAN version 2.27202

  [DELTA]

  2.27202  Wed Mar 13 15:41:22 2013
    - license in Makefile.PL was missing

  2.27201  Wed Mar 13 13:22:33 2013
    - occasionally failed in t/019_incr.t in Perl 5.17.6 or more
          (because of hash iterator randomization)
          reported and patched by demerphq
          https://rt.cpan.org/Public/Bug/Display.html?id=83421
CPAN Module-CoreList be 2.84