erchef 1.2.5

Updated deps:

  chef_db
    2013-01-31 f086a97 Merge branch 'mm/add_plt_to_distclean'
    2013-01-31 04eee9d Remove deps plt during distclean
    2013-01-31 5a6617e Merge branch 'sf/measure-fetch-client'
    2013-01-29 8aaa473 Improve test for metrics to cover distinct upstreams
    2013-01-29 3191e7b Add stats_hero instrumentation for chef_otto:fetch_client calls

  chef_objects
    2013-02-03 ad4bf72 Add metadata.dependencies to minimal cookbook version JSON

  edown
    2013-02-02 75a6fe5 Adjust newline behavior for generated markdown
    2013-02-02 5c349ab Fix "close" of markdown headers, octothorpe counts should match
    2013-02-02 42772f5 Generated github-style "fenced" code blocks instead of <pre> tags
    2013-02-02 5caffea Remove unused imports from merl_lib in edown_xmerl
    2012-12-20 1bcdaff Use git rev-parse to obtain current branch name

  stats_hero
    2013-02-02 5e923a3 Doc format update using new version of edown