- implement save and delete methods in osusers.models.SshPublicKey that trigger
set_file_ssh_authorized_keys
- add new test methods to osusers.tests.test_models.SshPublicKeyTest
- implement osusers.models.SshPublicKey and osusers.models.SshPublicKeyManager
- fix broken osusers.models.tests.test_models
- add new test classes SshPublicKeyManagerTest and SshPublicKeyTest
- add migration for SshPublicKey model
- remove duplicate create_ldap_group task
- create Shadow in User.set_password if necessary
- add test UserManagerTest.test_create_user_tasks for group task