Merge branch 'master' into openid

Conflicts:
	app/controllers/user_controller.rb
	app/views/user/login.html.erb
	public/stylesheets/common.css

config/initializers/asset_tag_helper.rb

@@ -0,0 +1,9 @@
+module ActionView
+  module Helpers
+    module AssetTagHelper
+      def asset_path(source)
+        compute_public_path(source, nil)
+      end
+    end
+  end
+end

config/initializers/memory_limits.rb

@@ -18,7 +18,7 @@ if defined?(SOFT_MEMORY_LIMIT) and defined?(PhusionPassenger)
       
       # Restart if we've hit our memory limit
       if resident_size > SOFT_MEMORY_LIMIT
-        Process.kill("USR1", 0)
+        Process.kill("USR1", Process.pid)
       end
       
       # Return the result of this request