Added unlocked property to BaseSoundManager class for internal use
Added unlocked property to BaseSoundManager class for internal use

BeanSeed/phaser,TukekeSoft/phaser,photonstorm/phaser,englercj/phaser,TukekeSoft/phaser,rblopes/phaser,TukekeSoft/phaser,BeanSeed/phaser,photonstorm/phaser,spayton/phaser,pixelpicosean/phaser,spayton/phaser,mahill/phaser,mahill/phaser