Update Module::Build to CPAN version 0.3800

Update Module::Build to CPAN version 0.3800

[DELTA]

0.3800 - Sat Mar  5 15:11:41 EST 2011

  Summary of major changes since 0.3624:

    [ENHANCEMENTS]

    - Generates META.json and MYMETA.json consistent with version 2 of the
      CPAN Meta Spec. [David Golden]

  Also in this release:

  [BUG FIXES]

  - Autogenerated documentation no longer includes private actions from
    Module::Build's own release subclass. [Report by Timothy Appnel,
    fix by David Golden]

0.37_06 - Mon Feb 28 21:43:31 EST 2011

  [BUG FIXES]

  - prerequisites with the empty string instead of a version are
    normalized to "0".  (RT#65909)

  [OTHER]

  - More Pod typo/link fixes [Hongwen Qiu]