add sandie (not at all stable)
Update User#show
'Submit Code' runs the users inputted code
Remove 4 tabs for HTML in CodeLessons
Update user keyboard shortcurts
Make form AJAX (partially completed)
Add separate file for jQuery AJAX form submission, update form
Update README
Make CodeLessons sorted by order
Make instructions and hints render with simple_format
Make Sandie function, submit with AJAX, result written to console
Add jQConsole submission error