1.12 Update 10 things — Lethal Laser Steam update #1112309

1. Add Pause function. Give player more time to think or build and adjust towers. 2. Now press Space will change speed 1xSpeed > 2xSpeed > 4xSpeed > Pause > 1xSpeed and so on. 3. Add direct Shortcut for speed control, in Number keypad section. Num0 = Pause, Num1=Normal speed, Num2=2xSpeed, Num3=4xSpeed. 4. Add enemy escape path line on the map for a few starter missions, to help player get familiar with it quickly and clearly. 5. Add function to match the font size to player’s screen resolution. Because previously some text won't show completely on small resolution, especially the Tutorial. It should be better now. 6. Add tower name and function description when move mouse over tower icon in bottom build section. 7. Add shortcut key for quick build tower, 10keys from "Z" to "/" in the keyboard line represent the 10 towers. 8. Add operation hint when select the tower first few times in mi...