Add logging to manage-projects

This patch adds logging to the puppet exec for manage-projects
within gerrit.pp.

It also adds logging to jeepyb, which can also cover logging for
manage-projects, which is a script within jeepyb.

Change-Id: I4cd1137e4bf62e0d19a8a337c98b3a33df38a0c0
Fixes-bug: 1245905

manifests/init.pp

@@ -50,5 +50,6 @@ class jeepyb (
     refreshonly => true,
     require     => Class['mysql::python'],
     subscribe   => Vcsrepo['/opt/jeepyb'],
+    logoutput   => true,
   }
 }