Indianapolis Airport Deadlock Fixed

Fixed a bug that could lock up the Indianapolis Airport.

Upgraded to OpenTTD 1.10.1

Upgraded to OpenTTD version 1.10.1

• Added a new state to make planes land smoother.
• Fixed Airport Control Window where it could crash game.
• Fixed Airport Control Window where it did not always show the FLL entries.
• Fixed Helicopter entries at all airports.
• Fixed City airport locking up when helicopters were used.
• Fixed Metropolitan airport locking up when helicopters were used.
• Airport Control Window now has contrasting colors to make it easier to read.