Added solr doc timestamp, cleaned up unused stuff.
Added solr doc timestamp, cleaned up unused stuff.

mredar/solr_api,mredar/solr_api,mredar/solr_api,ucldc/solr_api,tingletech/solr_api,tingletech/solr_api,tingletech/solr_api,mredar/solr_api,ucldc/solr_api,ucldc/solr_api,ucldc/solr_api,tingletech/solr_api,ucldc/solr_api,mredar/solr_api