Mod Tools Improvements 1.5.0

Require StandardLib v1.22.0+
Compatibility fix for Vote Tally & soft-merging posts
Compatibility fix for Dice Roller & soft-merging posts. Recommend Dice Roller v2.5.12+

Prefix add-on permissions with "[ModTools]"
On install, assign various new permissions to groups with "manage any thread" permission

• Require StandardLib v1.20.0+
• Improve XF2.3 support

XF2.3 support
Fix post merge type was ignored and always used a soft-delete
Fix "copy threads" did not implement moderator log support properly