Log Message:
Update 1.7031 to 1.7033
-----------------------
1.7033  2015-05-01 17:17:42 PDT
   [Improvements]

 - Remove MakeMaker and Module::Build from cpanm's runtime
   dependencies. Rather it will upgrade the minimum version requirement as
   it finds distributions that uses them in configure requirements. Also,
   they will be installed with 'notest' option for now, since Module::Build
   test suite takes a bit too long time.

1.7032  2015-04-29 18:51:36 PDT
   [Improvements]

  - Prefer to use cpanmetadb's package history API for pinning
    versions. Note that it only works against versions since April 2012. You
    can set `--metacpan` to still prefer MetaCPAN API search, and can use
    `--cascade-search` to fallback to MetaCPAN after CPAN MetaDB as well.