Updates jenkinsuser so skel config is Ubuntu only.

Exclude a couple of file resources from running on non-Ubuntu
distributions (Red Hat for example) which don't always have bash
config files (.bashrc, .profile, etc) in /etc/skel.

Change-Id: Id67b16e1a80617c3bc98fce130b5fe2f343f5d6e
Reviewed-on: https://review.openstack.org/18998
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Approved: James E. Blair <corvus@inaugust.com>
Tested-by: Jenkins

modules/jenkins/manifests/jenkinsuser.pp

@@ -82,6 +82,9 @@ class jenkins::jenkinsuser(
     require => File['/home/jenkins/.ssh'],
   }
 
+  #NOTE: not all distributions have default bash files in /etc/skel
+  if ($::operatingsystem == 'Ubuntu') {
+
     file { '/home/jenkins/.bashrc':
       ensure  => present,
       owner   => 'jenkins',
@@ -112,6 +115,8 @@ class jenkins::jenkinsuser(
       require => File['/home/jenkins'],
     }
 
+  }
+
   file { '/home/jenkins/.ssh/config':
     ensure  => present,
     owner   => 'jenkins',