Non-Blackbaud Import ID SIS IDs

Tweaked list-users-without-sis_id to generate fewer errors.

Added a script to list users that have SIS ID's that don't appear to be Blackbaud Import ID's.

Put a password on the scripts directory, since it might now expose user information.

Signed-off-by: Seth Battis <SethBattis@stmarksschool.org>