Demo update notes for v0.40

Truck City v0.40-Demo has just been released. This is the change log:

• Improvement: better truck routing when a road gets destroyed
• Bugfix: copying and pasting loading ports may place them with an incorrect rotation
• Bugfix: copying and pasting factories now preserve their priority
• Improvement: mission maps savegames are now encrypted to hopefully reduce cheating
• Bugfix: added missing tile under the road out of town bridge
• Bugfix: right-click key would close two windows instead of one, fixed
• Improvement: improved scroll, camera altitude taken into account for scroll speed
• Improvement: improved camera handling
• Improvement: pause menu translated
• Bugfix: right-click would not work in the in-game menu (F10)
• Bugfix: corrupted iterator may rarely cause crashes, fixed
• Bugfix: corrected a non critical invalid memory access when handling truck pathing
• Improvement: minor UI improvements for truck windows