bench fix and new arel patches for rails 4

lib/freedom_patches/arel_patch.rb

@@ -0,0 +1,8 @@
+if rails4?
+  # https://github.com/rails/arel/pull/206
+  class Arel::Table
+    def hash
+      @name.hash
+    end
+  end
+end

script/bench.rb

@@ -117,6 +117,8 @@ begin
 
   puts "Starting benchmark..."
 
+  # asset precompilation is a dog, wget to force it
+  run "wget http://127.0.0.1:#{@port}/ -o tmp/test.html"
   home_page = bench("/")
   topic_page = bench("/t/oh-how-i-wish-i-could-shut-up-like-a-tunnel-for-so/69")