message: Setting $solr.lock.type to none to make sure solr images don't crash on startup
diff: More details on the nuances of each LockFactory...
  http://wiki.apache.org/lucene-java/AvailableLockFactories
  -->
  - <lockType>${solr.lock.type:native}</lockType>
  + <lockType>${solr.lock.type:none}</lockType>
  <!-- Commit Deletion Policy
  Custom deletion policies can be specified here. The class must
  