Quick rollback to be able to extract some old objects

Version 9.6 released:

* Knobhill added! Based on the track Knockhill, although due to various shortcomings and stupid mistakes from yours truly, I did not dare call it by its name, hence, Knobhill!

Version 9.5.5 released:

* Bristol Banger added! Featuring a small banger oval in the infield of the oval
* Fix to pink ramp textures at Derby Banked Eight

Version 9.5.4 released:

* Fix to crashes related to objects being incorrect set up (such as yellow road poles, signs, boxes etc.)

Version 9.5.3 released:

* Fix to crashes at Birkeland (not 100% sure if it works for all, as the bug is random but somewhat related to AI paths)
* Fix to missing textures at Bridge To Nowhere
* Fix to missing textures at Hillside Raceway

Version 9.5.2 released:

* Bristol Arena added!

Version 9.5.1 released:

* Bristol Dirt added
* New clear day weather setting
* Fix to floating barrels at bristol

Version 9.5 released:

* Bristol (third generation) released!

Version 9.4.1 released:

* Hotfix to crashing Fig8 layout on Gardmoen

Version 9.4 released:

* Added Gardmoen Drag and Green Racing Park Gardermoen, 14 layouts in total!
* Night weather added to Ballistics