GitLab

check can_add instead of can_create when adding additional auth provider

if one of auth providers is set to be required, user with no such
provider can only view his profile page and is prompted to add a
new login method.

of tracking updates. Define set_sync(); state stays PENDING
if project.application has changed in the meantime.

Conflicts:
	snf-astakos-app/astakos/im/messages.py
	snf-astakos-app/astakos/im/notifications.py
	snf-astakos-app/astakos/im/urls.py
	snf-astakos-app/astakos/im/views.py

Add call query_serials separate from ack_serials.

handle is_available_for_{create, add}

auto generated user identifier

- Allow replacement of previously email change requests
- Cleanup expired email change requests in change email view
- Log email change
- Warn user for existing pending requests
- Redirect to profile on change email actions (failed or succeded)

skip duplicate call of check_password

- New helper methods in AstkosUser.objects
- Check uniquness between username/email on user creation process
- Allow login using both username/email fields
- Keep email case intact
- Store lowercase email in username field

use proper oauth parameters to force user to login and confirm his third
party account every time he adds a new login method