CYB-251.   Include value of 'score' flag when creating a Like/Dislike

  PointsConfiguraiton can turn off scoring of different types, and this
  flag was not being included, so no likes or dislikes were scored.

[CYB-251 "Likes" not being scored ](https://jira.ets.berkeley.edu/jira/browse/CYB-251)