erchef 1.2.11

Updated deps:

  eper
    2013-04-30 7122cd5 doc
    2013-04-30 a83963d trying to figure out how to generate a ChangeLog file
    2013-04-30 7be7b54 ChangeLog mishap
    2013-04-30 a78758b added meta target
    2013-04-30 a848417 changed date in license
    2013-04-30 9ed38a0 bumped version to 0.69
    2013-04-29 a805b24 handle disk_log:pid2name/1

  chef_objects
    2013-04-29 b82e03e Merge pull request #39 from opscode/ma/oc-6988
    2013-04-24 0b3a257 Change the environment cookbook_versions validator to use the constraint_map_spec api used by cookbooks.
Merge branch 'mp/rel-1.2.11'