Included procfile to describe how to startup the server

+ added dependency to a known procfile parser
Procfile parser now substitutes referenced OS environment variables.
(refactor) extract dependency on environment variables from utility method (SRP).
Build file now runs package installer to ensure all dependencies are installed.
(minor) remove extraneous logging.
Merge branch 'master' into integration

* master:
  (minor) remove extraneous logging.
  Build file now runs package installer to ensure all dependencies are installed.
  (refactor) extract dependency on environment variables from utility method (SRP).
  Procfile parser now substitutes referenced OS environment variables.
  Included procfile to describe how to startup the server