* Fixed an issue where the snap lines wouldn’t update when the view was
scrolled, the window changed size and when the view changed size
* Updated the CCNode PositionExtensions
 - Now uses Position Points type
 - Now uses ContentSize Points type
 - Now calculates points based off the node’s anchorPoint
 - Now calculates points based off a node’s scale in Points
* Updated the find SnappedLines method to check if any side is within
one pixel of each other instead of being exact
* Made it so nodes won’t snap when being scaled
* Made it so the sensitivity variable is private and corrected its
spelling
  - Updated its value to 4