Log Message:
Update p5-Plack-Middleware-Deflater to 0.05.

Changes from previous:
0.05  Wed Jun 22 23:28:32 JST 2011
        - No code changes
        - Added Test::Requires to build_requires
        - Fixed pod

0.04  Mon May 16 12:58:30 JST 2011
        - Added content_type and vary_user_agent options (kazeburo)
        - Added psgix.no-compress and psgix.compress-only-text/html enviroment
          value like Apache mod_deflate (kazeburo)