Merge pull request #5 from praekelt/feature/UMMELI-allow-user-task-checkout

Feature/ummeli allow user task checkout
redirect when article doesnt exist
dont try and connect go GA during tests
Merge branch 'develop' of github.com:praekelt/ummeli into feature/UMMELI-tom-tom-pilot

Conflicts:
	ummeli/test_settings.py
Merge branch 'feature/UMMELI-tom-tom-pilot' of github.com:praekelt/ummeli into feature/UMMELI-checked-out-task-in-inbox