International Airport and Cargo Aircraft (v 2) 2016-10-05

v 2 changes-

Spoiler :

cuttet out the unhappiness, it didnt seem to work.
decreased Gold income drastically.
Cargo Aircraft has much higher cost now.
fixed some text errors.

Adds two new Buildings and a new Unit-



International Airport:

Tech- Radar
+5% Traderoute yield.
5 Gold maintenance.
+15% Air Unit Production.
Max 8 per player.


Cargo Terminals:

Tech- Radar.
Requires an Airport in the City.
Allows to Airlift one Unit per turn from one City to another.
5 Gold maintenance.


Cargo Aircraft:

Tech- Radar.
Requires Cargo Terminals in the City.
Can hurry production in a City.
Range- 20