Correct module name and URL in README.

Apparently our friend Paste the cat had a finger (or paw) in the
process of creating the README file for this module. Erase the
tracks he left there.

README

-This is a Puppet module for setting up systemtap.
+This is a Puppet module for setting up syslog.
 Copyright © 2008-2020 National Supercomputer Centre.
 
 
@@ -29,4 +29,4 @@ None.
 ===== OFFICIAL SOURCE =====
 
 The official Git repository for this module is located at
-ssh://datil.nsc.liu.se/srv/git/puppetmodules/systemtap.git.
+git@gitlab.liu.se:NSC/puppetmodules/syslog.git.