simple saucer game that uses threading

To compile (must be in src/ ): $: make all

To run (must be in src/ ): $: ./game

When the game has displayed the start message press '1' to start a single-player game or '2' to start a two-player game.

Player 1 Controls: '.' - move right ',' - move left SPACE - shoot rocket

Player 2 Controls: 'c' - move right 'x' - move left 'z' - shoot rocket

At any time, press 'Q' to quit.