added a new superhero fixture

templates/superheroes/show now puts each Caliper quality in a span
  with a tooltip

controllers/superheroes/show now generates tooltips whenever id changes
Alaina - Convert tooltips to use Bootstrap's Tooltip plugin

- Update app.js to support data attributes in bind-attr
- Update app.js to enable tooltips with jQuery
- Title and HTMLify tooltip contents
- Update show template to use new tooltips
corrected typo (extra }) in show.hbs

work on most similar (not working correctly yet)

added attribute explanations to tooltip
Most like now works in the tooltip  as well