Add scaffolded donations accounting

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Donations: add payment id, add datetime

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Add authentication to donations controller

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Enable HTTP basic authentication

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Add mailer for notifications

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Enable auto-parsing, notify about result

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Add user_account field to payments

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Add autoparsing of payment notifications and add mail notification templates

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>
Add export payments as CSV

Signed-off-by: Yauhen Kharuzhy <jekhor@gmail.com>