Enable configuration of editing and deleting options in Enterprise Edition

1. Under "System Console > Policy"

2. Setting one (with radio buttons):

Allow users to edit their messages:

[ x ] Any time
[ ] Never
[ ] ___ minutes after posting //Where ___ is a text input box where they can enter a number of minutes

Help Text: After posting a message, set the length of time the author has to edit it.

1. Setting two (with radio buttons):

Allow which users to delete messages:

[ x ] Only Team Administrators and System Administrators
[ ] Message authors can delete their own messages, and Administrators can delete any message

Help text: Set who has permission to delete messages.