Refactored patternImageView/coffeeImageView and patternLabel/coffeeImageLabel
Fixed issue when returning from CafeLocatorTableVC to not have the Cafes segment selected on the segmented control.
Added cell identifier for CafeLocatorTableVC
Resolved constraint and ambiguous layout issues with collection view and toolbar. Also added Constants class
Change from image segue to animating to a new view when image tapped from Image selected segment.