Change reqs
Move mailgun
Don't auto add as extension
Add TODO
Move locmem outbox as global
changes
rename test_outbox to outbox
Move to tests package
Move message tests
refractor TestCase
Move backend related to General tests
use the EMAIL_BACKEND config instead
Add todo
Rename kwargs
Merge branch 'develop' into feature-tests
Remove flask extension registration
Merge branch 'feature-tests' into develop
Fixups
Use flask extension import
Store locmem outbox in its own module
State regression tests are from Django