Cosmetic changes only.
Changes to add 'answer' and 'ace_lang' to question and an 'extra' field to each testcase. Use of ace_lang not yet implemented
Replace showtest, showexpected etc booleans with a single result_columns variable to allow customisation of result table. result_columns not yet checked in form validator and use of ace_lang still not yet implemented yet. Tests all running.
Changes to make use of ace_lang field and to use Ace with templates as well as student submissions.
Correct error with version numbers in upgrade.php
Document the new features in Version 2.3, plus various other tidying.
Bug fix: accept any capitalisation when specifying Octave as the language for the Ace code editor.
Fix bug in processing of numeric result-object attributes from template graders.
Allow 'fraction' attribute from template graders to be propagated into final TestResult object.
Typo.
delete junk file