minor scene config changes - sandbox
added a new line for sanity's sake :P
Issue #10: Initial work on MVC architecture-pattern like coding - move listeners to controller and assigne event handling correctly.
Issue #10: moved view-listener assignment to controller. Tweaked encapsulation of listeners - attributes are now all set to private. Minor code cleanup.
minor
Issue #14: added test for properly perfroming shading for huge patches ,i.e. dim=1024x1024 as given input data using an extreme szenario - shape = snake_3dscan + taylorgaussian shader + 31 taylorsteps =>  eps 1E-16 + period=26. Seems to works.