added for loop, direction is horizontal using Utility.
currently using renderNode (which has a .getSize() function), and a sizeModifier that gets set on click. need to do: check when surfaces are the center
Merge pull request #2 from gregorylull/greg

elements are scrollable in one direction. scroll view resizes upon click and scale
Code clean up
Create ScrollItemView class
Fill in ScrollItemView class
Modify addSurface behavior
Clean up main.js