Updates README to include changes to Game use of SoundManager.muteOnPause
Updates README to include changes to Game use of SoundManager.muteOnPause

yupaul/phaser-ce,photonstorm/phaser-ce,photonstorm/phaser-ce,yupaul/phaser-ce,yupaul/phaser-ce,photonstorm/phaser-ce,photonstorm/phaser-ce,yupaul/phaser-ce