updated default volume
updated default volume

TukekeSoft/melonJS,rlugojr/melonJS,melonjs/melonJS,MarkoIvanetic/melonJS,srbala/melonJS,MarkoIvanetic/melonJS,gopalindians/melonJS,gopalindians/melonJS,srbala/melonJS,rlugojr/melonJS,srbala/melonJS,TukekeSoft/melonJS,melonjs/melonJS,TukekeSoft/melonJS,gopalindians/melonJS,rlugojr/melonJS