save selected font in NSUserDefaults and load it next time the app launches
make methods defaultFontNameForFamilyName: and displayNameForFontName: class methods
add checkmark image when fontFamily is selected
add checkmark accessory if fontName is selected
use a custom cell for the checkmark image
Merge branch 'feature/selectedFont' into develop
release notes 0.2
Merge branch 'release/0.2'