Pitstopboss Manager Game Update

* Fixed a few Academy owner bugs.
* You are now allowed to remove drivers from competitions if the need arises.
* Alliances will now need to share racing a little more evenly among members.
* Made adjustment to race mode, so you can elect not to go on all your qualification runs.
* As per email to dealerships, to keep a fair balance to the game, dealership items will be limited to 1 extension and 30 days maximum contract length.
* Slight adjustment to lap time calculation, which will see slightly varied times per visit at tracks.
* Several new tracks commissioned and to be unveiled in the game shortly.