Add `u` prefix to force unicode in `display_name`

* Previously `log_events` endpoint was failing when logged items had
  non-ascii-compatible characters in fields referenced by
  `display_name`.
Bump version for 14.1 patch
Mark Audits with "(BETA)"

* [story:60109642]
Wrap "BETA" in `<small>`
Merge pull request #494 from reciprocity/hotfix/fix-unicode-in-display-name

Hotfix/fix unicode in display name