Update README to track dependency.

NSC have refactored and split the nsc-puppet-utils module into
multiple modules.  The parts of nsc-puppet-utils we were using are
now in the "cfgfile" module.  Update README with this information.

README

@@ -22,11 +22,11 @@ If not, see <http://www.gnu.org/licenses/>.
 
 ===== DEPENDENCIES =====
 
-- nsc-puppet-utils
-  Can be found at git://www.nsc.liu.se/~bellman/puppet/nsc-puppet-utils.git.
+- cfgfile
+  Can be found at https://gitlab.liu.se/NSC/puppetmodules/cfgfile.git.
 
 
 
 ===== OFFICIAL SOURCE =====
 
-This module is not published anywhere yet.
+https://git.lysator.liu.se/bellman/puppet-bootloader/