Improve display of error messages in tests

Profile and address activation have been moved to django_mailman3

Make the profile link a little nicer

Make a nice user profile

Use EmailAddress instead of set_other_emails

Use django-mailman3's paginator

Namespace the user profile view name

Use the django_mailman3 context processor

Use the same template block names as hyperkitty and allauth

Replace user_passes_test with superuser_or_403 ...

The user_passes_test decorator sends the browser in infinite redirect
loops when allauth is used.

Move more things to django_mailman3

Use the new django-mailman3

Merge branch 'thelinuxguy/postorius-fix-iterator' into 'master' ...

Fix code for django 1.10 compatibility

Closes #129
The changes are backward compatible and should work with versions < 1.10

* Fix the iterator
* Update tests for 1.10
* Update CI to test for 1.10

See merge request !169

Update tapes

Make the test simpler (we don't need to check attributes)

List descriptions can't contain newlines ...

See mailman/mailman#273. The info property is the one where newlines
can be.

Change test, so it passes for django-latest

Make code compatible with django 1.10

Fix paginator for django 1.10 compatibility

Rename superuser_or_403 to superuser_required

Remove loggedin_or_403 decorator

Remove basic_auth_login decorator

Allow resetting a member moderation action

Fix indent.

Django < 1.9 doesn't support a strip argument to the CharField constructor, but *I think* behavior is as in 1.9 with strip=False. ...

This is admittedly a kludge and there may be a better way. I considered overriding CharField.to_python(), but this seems simpler.

Don't strip trailing whitespace from subject_prefix.

fix some more documentation

minor documentation fix

Test it's imposible to subscribe with a banned address

Added note about using source repos for local development to setup.rst