Add notifier alias and remove redundant parameter.

Signed-off-by: crynobone <crynobone@gmail.com>
Modify registration to use orchestra/notifier.

Signed-off-by: crynobone <crynobone@gmail.com>
Improve mocking to use real class when possible.

Signed-off-by: crynobone <crynobone@gmail.com>
Orchestra\Memory\Provider should be resolved only once.

Signed-off-by: crynobone <crynobone@gmail.com>
Convert PasswordBroker to implement
Orchestra\Notifier\NotifierInterface.

Signed-off-by: crynobone <crynobone@gmail.com>
Remove unused use statement.

Signed-off-by: crynobone <crynobone@gmail.com>