fixing issue where users would not exist in pulp

when running db:seed as a standalone process
Merge pull request #3664 from jlsherrill/user_Fix

fixing issue where users would not exist in pulp
Add lucene4 to the Fedora 19 repo for new elasticsearch
Merge pull request #3685 from jmontleon/fedora-lucene4-deps

Add lucene4 to the Fedora 19 repo for new elasticsearch