Move A1, A2, and ACL modules into composer, refs T539

Summary:
- remove submodules, define composer packages
- require password-compat via composer
- update modules config

Test Plan:
```
bin/update
bin/behat -f progress -c application/tests/behat.yml
```

Reviewers: eyedol, rjmackay

Reviewed By: rjmackay

Subscribers: srutto, bodacea, dkobia

Maniphest Tasks: T539

Differential Revision: https://phabricator.ushahidi.com/D266