Update Module-Build to CPAN version 0.4204

  [DELTA]

0.4204 - Fri Jan 10 00:29:31 CET 2014

  [BUG FIXES]

  - Map conflicts back to runtime [Leon Timmermans]

  - Use mod2fname whenever it's available [Leon Timmermans, Brian Fraser]

  - Accept custom entries in meta_merge 1.4