Mount application on proper location

Uses mapping in config.ru to respect sub-uri settings in pod_uri.

config.ru

@@ -7,5 +7,9 @@
 require ::File.expand_path('../config/environment',  __FILE__)
 #use Rack::FiberPool
 require ::File.expand_path('../lib/chrome_frame', __FILE__)
-use Rack::ChromeFrame, :minimum => 8
-run Diaspora::Application
+
+map AppConfig[:pod_uri].path  do
+  use Rack::ChromeFrame, :minimum => 8
+  use Rack::ShowExceptions
+  run Diaspora::Application
+end

config/initializers/sub_uri.rb

@@ -0,0 +1,8 @@
+
+p = AppConfig[ :pod_uri].path
+if p and not p.empty? and p != "/"
+    Rails.application.routes.default_url_options = { :script_name => p }
+else
+    p = nil
+end
+