Added gitignore file
Changed gitignore file
changed deployment target
minor code cleanup.
Added string properties to WTToggleButton so you can specify the name of image files from the app bundle.
user interface file commit to make Git happy
Reworked the storyboard to specify selected and notSelected images for the WTToggleButton using KeyPath & value in the identity inspector.
yet another attempt at pushing a .gitignore file
removed user interface state file from project.
this is getting old...