Use OSM::Timer (and hence SystemTimer) consistently

app/controllers/amf_controller.rb

@@ -128,7 +128,7 @@ class AmfController < ApplicationController
 
   def amf_handle_error_with_timeout(call,rootobj,rootid)
     amf_handle_error(call,rootobj,rootid) do
-      Timeout::timeout(API_TIMEOUT, OSM::APITimeoutError) do
+      OSM::Timer.timeout(API_TIMEOUT, OSM::APITimeoutError) do
         yield
       end
     end

app/helpers/application_helper.rb

@@ -89,7 +89,7 @@ module ApplicationHelper
     url = "http://nominatim.openstreetmap.org/reverse?lat=#{lat}&lon=#{lon}&zoom=#{zoom}&accept-language=#{language}"
 
     begin
-      response = Timeout::timeout(4) do
+      response = OSM::Timer.timeout(4) do
         REXML::Document.new(Net::HTTP.get(URI.parse(url)))
       end
     rescue Exception

lib/osm.rb

@@ -455,7 +455,7 @@ module OSM
   end
 
   def self.IPToCountry(ip_address)
-    Timeout::timeout(4) do
+    Timer.timeout(4) do
       ipinfo = Quova::IpInfo.new(ip_address)
 
       if ipinfo.status == Quova::Success then