Simpler way to add points

Rating system

Since #295, when submitting a point, users will have 4 choices: Good, Neutral, Bad or Blocker. It aims simplifying the rating system for points by giving the most simple way to grade a point.

Point synchronization with tosdr.org

See #252. Cleaning the export towards tosdr.org and trying to clean the JSON version and the wrongly assigned points.

Numerous bug fixes for version control

#294, #298, #299, #300, #302, #303, #304, #305, #310, #311, #313, #314, #315, #316, #317, #318, #319