hmm, can't check .xml yet

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1619630 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5985: add id for each segment and commit to aid replication

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1619634 13f79535-47bb-0310-9956-ffa450edef68
LUCENE-5889: add commit method to AnalyzingInfixSuggester

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1619636 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4895: An error should be returned when a rollback is attempted in SolrCloud mode.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/branch_4x@1619638 13f79535-47bb-0310-9956-ffa450edef68