Third Kharkov Battle turnlimit

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+ Setting: Size option for Movement Arrows
+ Yes-No confirmation dialog on Disband action
+ Setting: Minimap includes railway-road network in black color
+ Road only gives cheaper move when moving from own hexagon to own hexagon (not to enemy hexagon, not battle)
+ AI: Improved tactical decision making (if combat nearby ignore cities more, AI Commander plays a little bit more safer)
+ Some extra markings on unit icons for easier identification
+ Animation speed limits now 600ms - 1400ms