Update debian/README.source to reflect switch to git

debian/README.source

@@ -1,9 +1,21 @@
-How to build xen-tools directly from the Mercurial repository?
-==============================================================
+How to build xen-tools directly from the Git repository?
+========================================================
 
-$ hg clone http://noone.org/hg/xen-tools/
+Clone the git repository and change to the directory of your local
+working copy.
+
+$ git clone git://gitorious.org/xen-tools/xen-tools.git
 $ cd xen-tools
-$ make orig-tar-gz
-$ debuild -i'^\.hg'
 
- -- Axel Beckert <abe@debian.org>, Fri,  9 Apr 2010 02:06:24 +0200
+If you just want to build the binary package, run
+
+$ dpkg-buildpackage -uc -us -b
+
+If you want to build source and binary packages, e.g. for an upload to
+Debian or Ubuntu:
+
+$ make orig-tar-gz
+$ dpkg-buildpackage
+
+
+ -- Axel Beckert <abe@debian.org>, Mon, 17 May 2010 13:31:31 +0200

debian/changelog

@@ -48,9 +48,9 @@ xen-tools (4.2~rc1-1) UNRELEASED; urgency=low
     - [debian/copyright]: copyright-without-copyright-notice
     - [debian/source/format]: missing-debian-source-format
   * Added a README.source explaining how to build xen-tools directly from
-    the Mercurial repository.
+    the Git repository.
 
- -- Axel Beckert <abe@debian.org>  Fri, 09 Apr 2010 01:30:49 +0200
+ -- Axel Beckert <abe@debian.org>  Mon, 17 May 2010 13:32:04 +0200
 
 xen-tools (4.1-1) unstable; urgency=low