MCQ choices tips are now displayed in a blue popup like MRQ
Display the right/wrong icons and tips the same way we do for MRQs
Use class in css
Created a MessageView to avoid code duplication
Display MCQ Rating the same way than choices
Delete unused tip_question_group template
strictly compare strings
ensure MCQ rating tips are included in submit response
Implemented min_characters for free text answer
strip the answer when validating the min_characters
Implemented XBlocks validation on client side and submit button behavior based on it
Fix Studio issue related to ajax loading
Merge branch 'mcq-tip-popup' into answer-min-characters
Merge pull request #8 from aboudreault/mcq-tip-popup

Display tips & general feedback for MCQs like for MRQs, in a side popup.
minor fix for extra spaces
oups, indent-level-js was set to 2
Merge pull request #9 from aboudreault/answer-min-characters

Answer min characters
Ensure LightChild block are compatible with XBlock: added has_children to class Tip
Merge pull request #13 from aboudreault/html-in-tip

Ensure LightChild block are compatible with XBlock
Add grading to the mentoring XBlock