Hangar Improvements & Bug Fixes

Improved

Aircraft are now automatically removed from hangars when sold to the broker (or when classified is purchased by another user)

Fix Public pricing page
Fixed issue with aircraft missing from list in Operations Cockpit
Fixed a bug where building owners could be charged when using their own public buildings; owners are now always exempt.
Fixed an exploit allowing companies to send payments to themselves; these are now blocked.
Cleaned up historic erroneous self-payments and corrected affected account balances.
Fixed long table values not truncating properly (e.g. in finance view). They now display with improved tooltips.
Fixed airport search dialog showing a blank screen.