add logging option in Locomotive settings

config/initializers/locomotive.rb

@@ -4,4 +4,5 @@ require File.dirname(__FILE__) + '/../../lib/core_ext.rb'
 Locomotive.configure do |config|
   config.default_domain = 'example.com'
   config.lastest_items_nb = 5
+  config.enable_logs = true
 end

lib/locomotive/configuration.rb

@@ -8,7 +8,8 @@ module Locomotive
       # :forbidden_paths  => %w{layouts snippets stylesheets javascripts assets admin system api},
       :reserved_slugs   => %w{stylesheets javascripts assets admin images api pages},
       :locales          => %w{en fr},
-      :cookie_key       => '_locomotive_session'
+      :cookie_key       => '_locomotive_session',
+      :enable_logs      => false
     }
 
     cattr_accessor :settings

lib/locomotive/routing/site_dispatcher.rb

@@ -19,6 +19,7 @@ module Locomotive
         protected
         
         def fetch_site
+          logger.info "[fetch site] host = #{request.host} / #{request.env['HTTP_HOST']}" if Locomotive.config.enable_logs
           @current_site ||= Site.match_domain(request.host).first
         end