Rename Upvote role to Votes

app/models/issue.rb

 class Issue < ActiveRecord::Base
   include IssueCommonality
-  include Upvote
+  include Votes
   acts_as_taggable_on :labels

app/models/merge_request.rb

@@ -2,7 +2,7 @@ require File.join(Rails.root, "app/models/commit")
 class MergeRequest < ActiveRecord::Base
   include IssueCommonality
-  include Upvote
+  include Votes
   BROKEN_DIFF = "--broken-diff"

app/roles/upvote.rb → app/roles/votes.rb

-module Upvote
+module Votes
   # Return the number of +1 comments (upvotes)
   def upvotes
     notes.select(&:upvote?).size

spec/models/issue_spec.rb

@@ -12,7 +12,7 @@ describe Issue do
   describe 'modules' do
     it { should include_module(IssueCommonality) }
-    it { should include_module(Upvote) }
+    it { should include_module(Votes) }
   end
   subject { Factory.create(:issue) }

spec/models/merge_request_spec.rb

@@ -8,6 +8,6 @@ describe MergeRequest do
   describe 'modules' do
     it { should include_module(IssueCommonality) }
-    it { should include_module(Upvote) }
+    it { should include_module(Votes) }
   end
 end