xF1 Add-on Thread Reply Banner 1.3.3

• Fix error on merging or hard deleting threads

• Edit history support
• Banners can now be deactivated/activated without needing to edit the banner text
• Rewritten to using DataWriters

Add-on integration support

• Allows add-ons to easily hook the reply banner to add replacables

• Add-on compatibility update.
• Move inline css to CSS template.
• Ensure installer rebuilds permissions correctly.

• Correct typo which prevented threads being hard-deleted or merged.