Closes #401; admins can no longer overwrite a locked alias. Lock command now transfers ownership of locked aliases to admins.
Closes #401; admins can no longer overwrite a locked alias. Lock command now transfers ownership of locked aliases to admins.

UWCS/choob,UWCS/choob,UWCS/choob,UWCS/choob,UWCS/choob,UWCS/choob