Show the answer after a second bad guess.
Merge remote-tracking branch 'original/master'
Edited example class code by removing upper case

All actual class codes are only in lower case, so the example should not have upper case.
Merge pull request #114 from RyanNovas/patch-2

Edited example class code by removing upper case
Fixed error stating that Quill works with IE8
classroom button
temp users never need a pass
Explicitly handle input step.
Merge pull request #93 from seanmac02/master

Show the answer after a second bad guess.
Merge remote-tracking branch 'origin/master' into refactor

Conflicts:
	app/controllers/chapter/practice_controller.rb
	app/models/rule_question_input.rb
	app/models/score.rb
	app/views/chapter/practice/show.html.slim
	app/views/layouts/classroom_manager.html.slim