Refactor the casework app
Got the tests working for the refactor.
Remove govuk_toolkit because I was having merge issues
Merge branch 'master' into refactor_api

Conflicts:
	application/frontend/forms.py
	tests/test_app.py
Merge branch 'master' into refactor_api

Conflicts:
	application/frontend/forms.py
	tests/test_app.py
Fix duplicate line from the merge conflict
Merge pull request #69 from LandRegistry/refactor_api

Refactor api