Changes in Build 20180601 b397eb:

• Added the ability to set a multi-turn move target for units for automatically travelling longer distances
  
• Increased tech costs at all game speeds to slow down technological progress
  
• Added new turorial messages to explain more game mechanics
  
• Implemented building roads outside of cities
  
• Added optional minimap border
  
• Include icon resource in windows executable
  
• Added support for Steam error reporting on Windows
  
• Limited zooming
  
• Some minor balance adjustments
  
• A bunch of smaller bugfixes