Update to 0.016

Upstream changes:
0.016    2014-06-21 04:04:55Z
          - fix prereq problem with last release - now no longer testing the
            example scripts for user installs

0.015    2014-06-20 03:36:33Z
          - adjusted packaging and tests to become perl-5.6 friendly,
            including only using core or dual-lifed prerequisites

0.014    2014-03-01 22:08:26Z
          - fix test that was failing when FOO or BAR environment variables
            were set (RT#93447)

0.013    2013-12-14 21:26:06Z
          - update configure_requires checking in Makefile.PL

(wen)