message: Fix value mapping for feedback entity
  'comment' is no more mapped to 'answer'
  'rating' is no more run through HTML sanitizer
diff: @@ -8,7 +8,7 @@ module.exports = (sequelize, DataTypes) => {
  comment: {
  type: DataTypes.STRING,
  set (comment) {
  - this.setDataValue('answer', insecurity.sanitizeHtml(comment))
  + this.setDataValue('comment', insecurity.sanitizeHtml(comment))
  if (utils.notSolved(challenges.persistedXssChallengeFeedback) && utils.contains(comment, '<script>alert("XSS4")</script>')) {
  utils.solve(challenges.persistedXssChallengeFeedback)
  }
  @@ -17,7 +17,7 @@ module.exports = (sequelize, DataTypes) => {
  rating: {
  type: DataTypes.INTEGER,
  set (rating) {
  - this.setDataValue('rating', insecurity.sanitizeHtml(rating))
  + this.setDataValue('rating', rating)
  if (utils.notSolved(challenges.zeroStarsChallenge) && (rating === 0 || rating === undefined)) {
  utils.solve(challenges.zeroStarsChallenge)
  }
  