small improvements for better code readability
small improvements for better code readability

MarkoIvanetic/melonJS,srbala/melonJS,Smoss/Enoru-eco,gopalindians/melonJS,rlugojr/melonJS,melonjs/melonJS,TukekeSoft/melonJS,gopalindians/melonJS,srbala/melonJS,melonjs/melonJS,Smoss/Enoru-eco,srbala/melonJS,MarkoIvanetic/melonJS,TukekeSoft/melonJS,TukekeSoft/melonJS,rlugojr/melonJS,rlugojr/melonJS,gopalindians/melonJS