Update changelog
@branch-specific
Bumped version to 2.4beta1
@branch-specific
Update humanize-new-features.sh script
Merge branch 'release-2.4' of github.com:ankidroid/Anki-Android into release-2.4
Fix bug in #670
The audio reference was getting treated as a regexp leading to this:
http://ankidroid-triage.appspot.com/view_crash?crash_id=4750522028392448