Update debian/README.source with regards to Gitorious having closed

debian/README.source

@@ -4,7 +4,7 @@ How to build xen-tools directly from the Git repository?
 Clone the git repository and change to the directory of your local
 working copy.
 
-$ git clone git://gitorious.org/xen-tools/xen-tools.git
+$ git clone git://github.com/xen-tools/xen-tools.git
 $ cd xen-tools
 
 If you just want to build the binary package, run
@@ -18,5 +18,4 @@ Debian or Ubuntu:
 $ make orig-tar-gz
 $ dpkg-buildpackage
 
-
- -- Axel Beckert <abe@debian.org>, Mon, 13 Sep 2010 14:30:05 +0200
+ -- Axel Beckert <abe@debian.org>, Tue, 14 Jul 2015 18:35:38 +0200

debian/changelog

@@ -33,7 +33,8 @@ xen-tools (4.5+dev-1) UNRELEASED; urgency=medium
       higher. Fixes regression introduced with 4.5 by the fix for #754517.
       - Add new (build-)dependency on libsort-versions-perl.
     + Report all SSH fingerprints of the created DomU, not only RSA ones.
-  * Update Vcs-* headers as Gitorious will close its doors in June.
+  * Update Vcs-* headers and documentation as Gitorious closed its doors
+    in June 2015 and is now only available with static contents.
   * Recommend debian-archive-keyring (for installing Debian DomUs on
     derivatives) and ubuntu-archive-keyring (for installing Ubuntu DomUs
     on Debian).