Added a AudioManager responsible for management of OpenAL
Added audioManager into Game
Made all managers initalise though dedicated initialise method thereby avoid contructors for these."
Added a music resource loader
Made it temporary load LWJGL from specific sub folder
Moved resourceloader to be last in the load order, to make sure all other subsystems are initialised when loading resources
Added cleanup code
Added a SoundLoader. Right now it is just about the same as musicloader. But allows for futher change