* Refactor:Remove ENVied Gem in Favor of Default application.yml
* Copy sample_application.yml for Travis
* Create .env_sample file, Warn of missing ENV variables, ignore .env file
* Use dotenv For ENV variables and create Rake Task to Populate
* Update docs to copy .env_sample file
* make application config a bit more resilient
* update more documentation and only initialize dotenv in dev and test
* Update doc code snippet types and refactor rake task and app config
* remove push defaults
* Make initializers more resilient, remove unused ENV from travis
* Exit new rake task if application.yml does not exist, include dotenv in docs
* Adapt dev env to run on a remote box
* webpack-dev-server ignores CLI arguments, so switched to environment
variables.
* Dynamically determine remote webpack host via APP_DOMAIN environment
variable, defined in application.yml.
* Setup content security policy to allow connecting to webpack on a
remote box, defined by APP_DOMAIN environment variable.
* Make Webpacker listen on 0.0.0.0
* Account for APP_DOMAIN port
* Add support for URI scheme and tests
* Fix a spec by disabling a Rubocop linter
