Unmaintained Thread Reply Banner 1.3.3

• Fix error on merging or hard deleting threads

• Fix unexpected error on replying for some users
• Fix unexpected 'required field' error when a moderator changes a thread prefix from the "edit thread" dialog.

• 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.

• Change permission check to prevent lacking "Manage Reply Banner" permission blocking a user editing a thread's title.

• Update code to be more robust and improve compatibility with a private add-on.

• Cleanup installer code

• Update to use shared installer/uninstaller code
• Fix uninstall process to remove left over data.