Fix turbohipster git repo

stackforge is dead, use proper location. Also, let's use https in the
URL.

Change-Id: Ic07d58b146d9bc71da99bc9e8082bd49ec012e0d
diff --git a/doc/source/launchers.rst b/doc/source/launchers.rst
index c61cea8..f368cb9 100644
--- a/doc/source/launchers.rst
+++ b/doc/source/launchers.rst
@@ -6,7 +6,7 @@
    https://wiki.jenkins-ci.org/display/JENKINS/Gearman+Plugin
 
 .. _`Turbo-Hipster`:
-   http://git.openstack.org/cgit/stackforge/turbo-hipster/
+   https://git.openstack.org/cgit/openstack/turbo-hipster/
 
 .. _`Turbo-Hipster Documentation`:
    http://turbo-hipster.rtfd.org/