Log Message:
Update p5-Mail-ListDetector to 1.04.

Changes from previous:
1.02 14 Nov 2009
  - Fix CPAN RT bug 35320 - add missing dependency
  - Add Test::Kwalitee to ensure we always have kwalitee.
  - Add github repo http://github.com/mstevens/Mail--ListDetector

1.03 30 Jun 2010
  - Make license more explicit

1.04 19 Feb 2011
  - Fix pod warnings.