Fix rating and conflict exports

app/controllers/home_controller.rb

@@ -9,7 +9,7 @@ class HomeController < ApplicationController
   end
 
   def export
-    @talks = Talk.all
+    @talks = Talk.find(:all, from: :halfnarp_friendly)
     @talk_preferences = TalkPreference.all
   end
 

app/models/conflict_coefficient.rb

@@ -2,7 +2,7 @@ class ConflictCoefficient
   attr_reader :left, :right, :conflicts
 
   def self.all
-    talk_combinations = Talk.all.map(&:id).combination(2)
+    talk_combinations = Talk.find(:all, from: :halfnarp_friendly).map(&:id).combination(2)
     talk_preferences = TalkPreference.all
     talk_preferences_count = TalkPreference.count