Merge pull request #3 from imtutta/master

Bug fixes (ver 0.162)
Merge branch 'master' of https://github.com/it2l/it2l-fractions-lab
new version of task-dependent support
New interaction if more than one fraction is on the screen.
set numerator and denominator within the feedback according to task type
Feedback for new comparison task.
Provide correct reflective message at the end of the new task
- receive light bulb click event
- display all feedback message in light bulb as default
- swap guidance and socratic feedback
- return correct feedback ID
Merge branch 'master' of https://github.com/grawemeyer/it2l-fractions-lab
Rectangle optimization