Conductor start/stop/restart init-style shell script.

Use foreman to start the 3 conductor services.  Addresses the
conductor side of
https://github.com/aeolus-incubator/dev-tools/issues/20
but deltacloud is still a TODO.
Merge pull request #48 from cwolferh/rails_start_stop_script

Conductor start/stop init-style shell script.