Fixed an issue with the last update not working without the gardens mod

• Celebrities now receive a new promotion when played alongside the Garden District mod: "Open-Air Concerts" which allows them to perform at Gardens and Preserves.
  
• "Counter-Culture Icon" (the Loyalty bomb promotion) now also allows Celebrities to enter cities withuot Open Borders for all your revolutionary needs.

(actually fixed the thing I said I fixed)

- Fixed a syntax error with the Brand Ambassador promotion's sql code.

- Added Compatibility with JNR's district expansion

-Uppp