Log Message:
Update to 2.22

Upstream changes:
2018-12-23  k  <andk@cpan.org>

        * release 2.22

        * one week after the TRIAL release cpantesters have produced 306
        pass and 0 fail reports on 157 different configurations

        * no functional change over 2.22-TRIAL; only one change in the
        distroprefs directory which is not used per default and a minor
        change in the Makefile.PL to ensure that the signature for the
        tarball is produced with the current version of Module::Signature.

2018-12-16  k  <andk@cpan.org>

        * release 2.22-TRIAL

        * fix: erroneous propagation from build_requires to requires
        (Andreas Koenig)

        * fix: ensure that the post install hook is always called (Andreas
        Koenig)

        * fix: the single blank line output that initializing CPAN does
        when it's not having to report anything (Achim Gratz)

        * doc fix: Correct spelling of Perl 5 command-line switch (James E
        Keenan)

        * doc fix: clarify use of pop/splice in the manpage of the
        Specfile plugin (Andreas Koenig)

        * a tiny amount of new and updated distroprefs files

2018-09-22  k  <andk@cpan.org>

        * release 2.21-TRIAL

        * Avoid hash slice autovivification (Reini Urban)

        * make chdir argument always stringified (Reini Urban)

        * support JSON::PP as fallback for `reports` command when no YAML
        is available (Michiel Beijen)

        * fix #116507: cpan -j relative path issue (brian d foy)

        * Bug fix for plugin `Specfile`: Build.PL script_files may be
        non-ARRAY (Bernhard Graf)

        * Fix tiny POD error (Aaron Crane)

        * Added suggestion to the user to fix the common 'Terminal does
        not support AddHistory error.' (Howard)

        * fix #87474: build_require_install_policy=no: runtime dependency
        not installed if also listed as build_require (Olivier Mengue, Slaven
        Rezić, Peter Rabbitson, Andreas König)

        * We are finally under the Travis umbrella (Katherine Spice)

        * Adapt Jim Keenan's patch for _download status checking (brian d
        foy)

        * Use the right key in cpan(1) -g log message (brian d foy)

        * address #124726: check for having EEXIST before using it (thanks
        to Sergey Aleynikov for debugging)

        * fix an unini warning from recompile() (thanks to frederick for
        reporting)

        * fix recently introduced bug: isa_perl() returns perl version
        again and a test is added to ensure that (thanks to frederick for
        reporting)

        * a modest amount of new, imported and updated distroprefs files

2017-11-26  k  <andk@cpan.org>

        * release 2.20-TRIAL

        * bugfix #123691: fix wrong wording of result message when r
        command hits an empty set (Thank to lorenzo taviani for reporting)

        * bugfix: remove spurious .= operator where an ordinary assignment
        was intended (Andreas Koenig)

2017-11-05  k  <andk@cpan.org>

        * release 2.19-TRIAL

        * bugfix #118921: make the null logger a non-null logger (Thanks
        to Alexandr Ciornii and Zefram for reporting)

        * tighten regexp in isa_perl (#123482) so that perl5-0.21 be
        recognized as module (Thanks to Father Chrysostomos for the
        request)

        * bugfix for cleanup_after_install: do not attempt to cleanup the
        current directory when the current directory is the build
        directory

        * improve robustness when CPAN::Reporter::record_command fails

        * improve diagnostics when CPAN::Meta::Requirements is too old or
        missing; bootstrapping older perls with new CPAN.pm should be
        easier now

        * improve robustness on file open issues

        * improve robustness when yaml files cannot be loaded

        * bugfix #121914: cpan client may fail when something is
        both recommended AND required (Thanks to Sergey Aleynikov for the
        report)

        * package the PAUSE2019.pub public key for signatures

        * bugfix on cpan script regarding -x option (H.Merijn Brand)

        * couple of updates on distroprefs and minor fixes

2017-03-30  k  <andk@cpan.org>

        * release 2.18-TRIAL

        * inject PERL_USE_UNSAFE_INC=1 also in "install" (Graham Knop,
        Leon Timmermans, Andreas Koenig)

        * bugfix: address #120781; protect circular Bundle definitions
        from deep recursion (Andreas Koenig)

        * various distroprefs files updated

2017-02-16  k  <andk@cpan.org>

        * release 2.17-TRIAL2

        * bump version number for CPAN/Distribution.pm

2017-02-15  k  <andk@cpan.org>

        * release 2.17-TRIAL

        * address #108: inject PERL_USE_UNSAFE_INC=1 on prepare, make, and
        test; survival strategy for perls compiled with
        -Ddefault_inc_excludes_dot (Todd Rinaldo, Graham Knop, Andreas
        Koenig)

        * make tests more robust against parallel runs and missing unzip
        program (Andreas Koenig)