Version 0.5.1.46 (EA Beta)

*Improvements
- added new Era logo
- improved linking when multiple facility windows are opened

* Bug fixes
- fixed ramp is free badge for new ramps
- fixed a crash on loading related to roads
- fixed a possibility to build roads outside of the airport zone
- fixed resource contract delivery time right after the contract is signed
- fixed ramp's exit is now considered not connected if it's not connected to any departure (or both way) runway
- fixed runway removal now it doesn't crash if there are planes which are using it