Install lsof on the git mirror nodes

lsof is a very valuable tool for debugging connectivity issues. It is
not installed on our centos6 nodes by default. Install it here so that
we have it available for debugging connections issues.

Change-Id: I836b6bb4e852a2fbbff8d3a1620920de8d03b112

modules/openstack_project/manifests/git.pp

@@ -35,6 +35,10 @@ class openstack_project::git (
     ensure => present,
   }
 
+  package { 'lsof':
+    ensure => present,
+  }
+
   class { 'haproxy':
     enable         => true,
     global_options => {

modules/openstack_project/manifests/git_backend.pp

@@ -26,6 +26,10 @@ class openstack_project::git_backend (
   $project_config_repo = '',
 ) {
 
+  package { 'lsof':
+    ensure => present,
+  }
+
   class { 'project_config':
     url  => $project_config_repo,
   }