Merge pull request #9 from ewdurbin/master

initialize unicorn_bin and gunicorn_bin for Herder object
Merge pull request #12 from ewdurbin/master

when pidfile is missing, check for unicorn's oldbin pidfile
Bump version to v0.0.7
add unicorn_rails to unicorn choice list
Merge pull request #15 from alphagov/enable-unicorn-rails

add unicorn_rails to unicorn choice list
Bump version to 0.0.8
Show correct server type in log messages.
Bump to 0.0.9