Added option to change the run location of the application to something other than the current Procfile directory.  Updated man and ronn pages.  Updated inittab to actually use the option. Included a spec test for inittab.
Merge pull request #1 from brockers/specifiy_app_run_location

Keep this branch around for referencing in the original foreman.  Added option to change the run location of the application to something ...