[#539] future-proof the debug panel (draw all defined shapes)
[#539] future-proof the debug panel (draw all defined shapes)

since we are modifying/improving it, and since I’m working on this
ticket, i rather commit this one already as it does not impact the
current implementation

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