dev-perl/DateTime: Bump to 1.360.0

dev-perl/DateTime: Bump to 1.360.0

1.280.0 was actually the last version that can be bumped without
bumping Scalar-List-Utils

1.360.0 requires bumping Scalar-List-Utils, but not Test-Simple.

Keywording:
- 2 new dependencies, namespace-autoclean and Specio
- Keywords dropped: ~alpha ~arm ~arm64 ~hppa ~ia64 ~m68k ~ppc
    ~ppc64 ~s390 ~sh ~sparc ~x86-fbsd

Upstream:
- Passing a locale to $dt->set now gives warnings indicating
  $dt->set_locale should be used
- Added future leapsecond for Dec 31-2016
- cleanup imported methods with namespace::autoclean

Package-Manager: portage-2.3.2