A simple iOS application with a toolbar of buttons

###Step 1: Clone from repo

• Already added the viewcontroller with XIB and a button and action
  • Create a singleview project
  • Add a toolbar to the storyboard file
  • Add a mail and red button to the toolbar
  • Add and wire IBActions
  • Link with messageUI framework
  • Present the email controller and handle the delegate method
  • Change the view's background color (to red)

###Step 2: Add more buttons

• Add a "blue" and "new" button
• Add IBActions for those buttons
• Change the view's background color (to blue)
• Create a new view controller (incl xib)
  • Add a dismiss button
  • Wire up to IBAction that dismisses the viewController
• Present viewController when new is tapped