[tl] Schedule Content for XF 2.x 2.2.0

Description: This addon allow user can set scheduled post.
When a thread was scheduled this only display for admin, mod and owner of thread can view 🙂
- Admin or Mod (who have permission to do) can stop scheduling thread

Features:

• Support invisible (thread don't display before publishing) and locked (thread don't allow reply before expiring)
• Support send alerts to user.
• Support changing owner of thread. (Supported 1.2.1)
• Allow set default scheduled time and custom scheduled time. (Supported 1.2.1)
• Support 12 hours or 24 hours format.

Permissions:

• Allow each group user can add scheduled thread
• Allow each group user can edit scheduled thread
• Allow each group user can view scheduled thread although thread still don't publishing
• Allow each group user can view list of scheduled threads.

How to use:
- Install Addon
- Set permission for each group user can set scheduled post
- Set permssion for each group can edit scheduled