Illallangi-data-air-transport

Fix

- **data-air-transport**: updated to v0.8.0

Feat

- **django-data**: refactoring of code to support latest django-data

Fix

- **illallangi-data-aviation**: removed local source

Feat

- **illallangi-django-data**: updated to use django.models for model list

Feat

- **flight_detail**: added primary_color to boarding pass

Fix

- **illallangi-data-aviation**: upgraded to 0.2.0
- **flight_list**: removed boarding pass view

Fix

- **illallangi-data-aviation**: added reference

Fix

- **checks**: fail check on null value