Release notes for WeBWorK 2.8

• level search capability added to LibraryBrowser
• Add requirement for JSON.pm (for sage)
• Add requirement for HTML::Scrubber (to for anti XSS fixes)
• OPL is now default library for sure
• Remove old methods of displaying math
  • Should ascii math be retained?
  • Should LatexMathML be retained?
  • Should jsMath be retained?
• WEBWORK_DIRECTORY is insured to be defined in WeBWorK::Constants.
• numOfAttempts should now give the expected results in homework sets. (Gatewayquizzes need more testing.)
• OPL-update improvements
  • OPL taxonomy also stored in json file.
• Datepicker (calendars) in Homeworksets1 & 2
• Math4 theme updates. (Goehle and Hsu)
• More like this tag in OPL
• js directory reorganization
  • this should be reviewed for more tweaking
• MathAchievement upgrades -- "potions" -- allow for perks for doing well on homework.
  • (requires database upgrade?)
  • Add tabs to Achievement editor.
• MathJax configured to provide better accessibility. Configured now only defaults.config.
• Cosign.pm -- fix typos
• Fixed glitch in Statistics graph
• Massive amount of tweaks to make the basic WeBWorK CMS interface validate to W3 standards. Problems will usually not validate, mainly because of the use of $PAR which is not a container.
• Tweaks to update course page -- slightly less scary error messages. -- adding harmless: in front of the message helps but we should change the color on these.
• Instructors can choose to show paths on hardcopy.
• Chinese and Korean translations added.
• Add homework set descriptions as well as file names -- helps keep file names short. (requires database upgrade?)