1. (Double click the jar file)
2. “java -jar Minesweeper.jar [Board_Width Number_of_Mines]”

If parameters are not specified, will load default.
Examples:
	java -jar Minesweeper.jar	(recommended)
	java -jar Minesweeper.jar 20 50

do the same as what you do on the Microsoft Minesweeper:
1. left click to uncover a cell
2. right click to flag/unflag a cell

Java 8
Tested on Mac OS

1. Java Game Programming, learned from here: 
	https://www.youtube.com/playlist?list=PLah6faXAgguMnTBs3JnEJY0shAc18XYQZ
2. The icon image (skin) is polled out from:
	http://www.minesweeper.info/downloads/MinesweeperX.html

1. Invalid parameters (negative, 0)
2. Number_of_Mines >= Board_Width * Board_Width
3. Very big Board_Width
4. Play the game in different ways (lose, win, ...)