Change welcome page to match other example apps

Make default pod name match the one from template

Updating front end route variables and the default front end route value

Output to ImageStreamTag

Add SOURCE_REPOSITORY_REF parameter

Standardize templates across examples

Update templates to API v1

Remove custom sti scripts

Simplify run-in-container script

Not needed once Django supports lands in sti-python.

After changes in k8s and sti-base/sti-python some hacks can be removed.

Added routes to templates

Rename osc -> oc

Improvements

* Move OpenShift-specific files to openshift/
* Add note about ephemeral database
* Document how to read logs
* Document one-off cmd execution
* Remove APP_MODULE from templates: should be auto-detected for Django projects.
* Remove gunicorn config file and document APP_CONFIG

Fix type error

Fixes #1.

We need it uppercase to read env vars with that prefix.

Add detailed information on how to perform the task manually.