change super voter to look at recent votes instead

app/models/super_voter.rb

@@ -14,8 +14,9 @@ class SuperVoter < ActiveRecord::Base
   def self.init!
     prune!
     report = Reports::UserSimilarity.new(User.admins.first.id)
-    report.prime
-    report.fetch_similar_user_ids.scan(/\S+/).in_groups_of(2).each do |user_id, score|
+    report.prime_similar_users("post_vote_similarity")
+
+    report.result.scan(/\S+/).in_groups_of(2).each do |user_id, score|
       unless where("user_id = ?", user_id.to_i).exists?
         create(:user_id => user_id)
       end