DragView Built

-Instance of UIImageView subclass DragView jumps to front of superview
w/“touchesBegan” and resets it’s “self.center” in response to
“touchesMoved”
Added NSLogs & background color

-NSLog’d Start, Touch, Delta, and Origin of both x & y of DragView class
-Made background color of DragView white to show bounds of said class
Edited README
UIPanGestureRecognizer

-Removed PanGesture
-Added PanImage
Merge remote-tracking branch 'origin/Dev_2'