xF1 Add-on XenTorrent Tracker 1.2.1

Hotfix - removed callback license & .XML license.
Bigger thanks to @sonic!

Today, I am pleased to announce the immediate availability of XenTT 1.2.1. This release has some new features and fixes a number of issues that were found since the release of 1.2.

• Public Tracker Support
• Cloudfare Support
• Added missing phrases.
• Fixed some other minor bugs.