Remove vestigal Solr 4 binaries and configuration. Remove zookeeper configuration. Remove RHEL packaging. Update IDMETA.
- [DH] scripts/commit_solr.sh
- [DH] scripts/delete_solr.sh
- [DH] scripts/make_new_config.sh
- [DH] scripts/optimize_solr.sh
- [DH] scripts/zookeeper.sh