Make edits return version numbers as plain text strings

app/controllers/node_controller.rb

@@ -52,7 +52,7 @@ class NodeController < ApplicationController
 
       if new_node and new_node.id == node.id
         node.update_from(new_node, @user)
-        render :nothing => true
+        render :text => node.version.to_s, :content_type => "text/plain"
       else
         render :nothing => true, :status => :bad_request
       end

app/controllers/relation_controller.rb

@@ -52,6 +52,7 @@ class RelationController < ApplicationController
 
       if new_relation and new_relation.id == relation.id
 	relation.update_from new_relation, user
+        render :text => relation.version.to_s, :content_type => "text/plain"
       else
         render :nothing => true, :status => :bad_request
       end

app/controllers/way_controller.rb

@@ -52,7 +52,7 @@ class WayController < ApplicationController
 
       if new_way and new_way.id == way.id
         way.update_from(new_way, @user)
-	render :nothing => true
+        render :text => way.version.to_s, :content_type => "text/plain"
       else
         render :nothing => true, :status => :bad_request
       end