Fix links to EPFL CI and nightly downloads.

Reported by hu zhifeng -- thanks!

README.md

@@ -29,8 +29,8 @@ PS: If you have some spare time to help out around here, we would be delighted t
 # Handy Links
   - [A wealth of documentation](http://docs.scala-lang.org)
   - [Scala CI](https://scala-ci.typesafe.com/)
-  - [Scala CI at EPFL](https://scala-webapps.epfl.ch/jenkins)
-  - [Download the latest nightly](https://scala-webapps.epfl.ch/jenkins/job/scala-nightly-main-master/ws/dists/latest/*zip*/latest.zip);
+  - [Scala CI at EPFL](https://scala-webapps.epfl.ch/jenkins/)
+  - [Download the latest nightly](http://www.scala-lang.org/files/archive/nightly/2.11.x/);
   - Scala mailing lists:
     - [Compiler and standard library development](https://groups.google.com/group/scala-internals)
     - [Users of Scala](https://groups.google.com/group/scala-user)