Removing classNames attr from card title
Removing classNames attr from card title

classNames should apply classes to the overall component, so re-using it
inside the component (in a span tag) was causing strange issues where
the class names were comma separated. Similar to this bug:

https://github.com/emberjs/ember.js/issues/4726

nypublicradio/nypr-ui,nypublicradio/nypr-ui