Update 1.02: T80, T95 and bug fix

New Unit: T80 UD: A tank unit has faster attack speed and turret turning speed. T95 Black Eagle: A tank unit has higher damage per shot but lower attack speed.

Blance: Base guard tower call airstrike cool down increased from 20 sec to 25 sec. Commando can be trained more than one.

Bug Fix: When an building is completed, the "Cancel Build" button is removed immediately. AI error in map "Urban Combat 2" is fixed. Fix some text error in command ability buttons.