Update version.php
Another horrible hack to let OpenMark use TinyMCE.

I wish this was not necessary.
Fix unit tests to work with PHPunit.
Prevent time-outs during unit test runs.
Fix is_same_response for radio buttons.
Fix codechecker issues.
Bump version number.
Fix preg_quote usage.
Update for 2.5 compatibility.
Update version number and readme.
Fix Moodle 2.5 breakage when starting a question attempt. #8346
Question: Opaque Editadvancedfields too large #8387
Question: Opaque Editadvancedfields with sup & sub. Tinymce doesn't show #8388
Opaque questions TinyMCE zoom support. #8449
Add new Opaque labels lTRY and lTRIES. #8523

Also, replace tokens in the progressinfo.
Fix notices in Opaque Behaviour. #8769

The regression was caused by #8523.
Create the new behaviourtype class required by Moodle 2.6.
Update version number for the 2.4 release.
Fix missing variable.
Upgrade use of deprecated function.