CYB-134 Move the config file(s) outside of the repo.  A dummy structure file exists in config/ for Travis, and to show anyone using the code how to structure their config data.
Merge pull request #64 from coyote/travis_friendly_ext_conf

CYB-134 Move the config file(s) outside of the repo.
[nojira] Fixing asset serving for production environments.
* Allow static assets to be served by the app server if Apache is not present.
(It still requires manual configuration of the  ../config/.env_conf.yml file.)