slice the images
customises button
completes chapter 4
initial project setup for chapter 5 of BID book.
adds label
adds per-controller rotation support
initial setup for Autosize project
setup label in each corner
adds missing constraints
add left & right vertical label and constraints
equal width
initial setup for Restructure project
setup view in IB and auto layout off
layout through code
initial project setup for View Switcher
Create our View Controller and Storyboard
remove unnecessary code
adds a toolbar
connecting action
adds view controllers