SOLR-6164: Copy Fields Schema additions are not distributed to other nodes (merged trunk r1603300 and r1603301)

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_9@1603308 13f79535-47bb-0310-9956-ffa450edef68
SOLR-6160: bugfix when facet query or range with group facets and distributed

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/branches/lucene_solr_4_9@1603313 13f79535-47bb-0310-9956-ffa450edef68