Merge pull request #2 from devin-c/friendly_foreman

Update foreman to work with command mapping
Merge pull request #3 from devin-c/configurable_upstart

Allow the upstart command to be customized
Honor the :no_release setting on a server

This allows a user to flag a server with `:no_release => true` to bypass
relase tasks. The method used to accomplish this was copied from
[capistrano/bundler](https://github.com/capistrano/bundler/blob/master/lib/capistrano/tasks/bundler.cap#L64-L65)
Merge branch 'honor_no_release' into md