Log Message:
Update to 0.30
Remove a duplicate line

Upstream changes:
0.30 2014-07-26

  - Fix for subclassing CPAN::Changes::Group (GH #23)

0.29 2014-07-23

  - Groups are now objects (CPAN::Changes::Group). Backwards
    compatibility from hashes should be preserved (GH #22)

0.28 2014-06-10

  - Add "SEE ALSO" links to similar modules (RT #94636)

  - Use perl 5.8-compatible regex