Add link to ITP.

wiki/src/todo/obfsproxy.mdwn

@@ -8,3 +8,5 @@ used), we need to support
 There's a Vidalia [plugin](http://gitorious.org/obfs_gui/) which would
 make the configuration easier for the end user, and more easily
 integrated into our current [[bridge mode|todo/bridge_support]].
+
+Debian ITP: [[!debbug 660122]].