Add mixin to generate language-specific templates
Add doctest to docs and fix make for docs
Add language code field to container
Add docs for template names mixin
Configure languages for sandboxes and tests
Switch oscar requirements to latest release tag
Add language code to template tag arguments
Add language code field to container model
Fix issue with live updating text
Make template tags language code aware when rendering containers
Add wait time for long running integration test
Update readme
Updated the changelog