Update v3.5 — Endless ATC Steam update #859615

In this update, there are several changes/new features aiming for a better controlling experience. Here's a list of what's new: (edit 23 March): bugfixes planes can make turns greater than 180 degrees; instead of just making the shortest turn to a selected heading, planes will now comply to instructions to turn 'the long way round', making turns up to 360 degrees possible doubletap between heading buttons to easily instruct a 360 turn over right or left switch between airports without losing progress adjusted penalty for separation incidents; long duration incidents should now cause less skill reduction than before tower is a bit more helpful; tower can reduce the speed of approaching planes that are too close to a preceding plane (when they're less than 10 miles from the runway); this may avoid some missed approaches larger margins between departures and between arrivals, and adjusted i...