adds featured proposals

via new action featured_vote
Featured proposals are never duplicated in the filtered lists
Featured are not calculated/shown in searches.

app/controllers/proposals_controller.rb

@@ -11,11 +11,24 @@ class ProposalsController < ApplicationController
   load_and_authorize_resource
   respond_to :html, :js
 
+  def index_customization
+    @featured_proposals = Proposal.all.sort_by_confidence_score.limit(3) if @search_terms.blank?
+    if @featured_proposals.present?
+      set_featured_proposal_votes(@featured_proposals)
+      @resources = @resources.where('proposals.id NOT IN (?)', @featured_proposals.map(&:id))
+    end
+  end
+
   def vote
     @proposal.register_vote(current_user, 'yes')
     set_proposal_votes(@proposal)
   end
 
+  def vote_featured
+    @proposal.register_vote(current_user, 'yes')
+    set_featured_proposal_votes(@proposal)
+  end
+
   private
 
     def proposal_params
@@ -25,4 +38,8 @@ class ProposalsController < ApplicationController
     def resource_model
       Proposal
     end
+
+    def set_featured_proposal_votes(proposals)
+      @featured_proposals_votes = current_user ? current_user.proposal_votes(proposals) : {}
+    end
 end