The 'previous' button was not properly disabled when multiple pagination widgets were on the same page. Fixed by inlucding the 'iterator' in the 'previous' button lookup
Now bundling all partials into `templates.js`. This didn't work so well
for the about partial because the cowsay <pre> tag got all messed up
when it was pre-cached in JavaScript. Moving this to assets to show that
it's not meant to be bundled, but downloaded as an ajax request instead.