Example App Cleanup and some new features

• Release Notes
  • PR #185 - Custom boxes for directions
  • PR #184 - adds "ignoreAltitude" to LocationNode
  • PR #183 - Scaling schemes
  • PR #182 - child node scaling
  • PR #181 - Cleans up warnings
  • PR #177 - Fixes the workspace schemes
  • PR #176 - Fixes issue #164
    • Fixes an issue where dismissing the ARCL Scene View can make other UIs unusable
    • Creating LocationNodes from a UIView now just creates an image from that view and uses the image.
  • PR #171 - Support Carthage and open SceneLocationView for extension