Revert "Add scrollbars to recent jar boxes when needed"

This reverts commit ccf0408c2f14cbe3754261b6df4a0d14c2302c6e.
Refine recent jars and search/browse results

This should make the recent jars list (on the dashboard) a little better
on mobile. It also styles the search page more like the "browse
projects" page.
Lowercase constant variable
Merge pull request #230 from losingkeys/jar-box-style-fixes

Style fixes for recent jars, the search page, and the browse page