alias school_hall -> hallway

The bulk update request #12413 has been approved by @nonamethanks.

create alias school_hall -> hallway

Small tag used for the same thing.

Manually added the school tag to those that were missing it so a school hallway search should work for the same effect as this tag once the update goes through.

The bulk update request #12413 (forum #221829) has been approved by @nonamethanks.