Update todo.txt
Add possibility to set a user status to "active/inactive".
Inactive users can no longer log in.
Add "active" field to user model and db.
Do not allow to change the 'active' status of the user 'admin'.
Add corresponding unit test.
Update todo.txt
Update todo.txt
Remove support for mysql (temporary).
Trim whitespaces of various db fields in validation.
Update to Rails 3.2.17.
Fix deprecation warning.
Update changelog.