Heythm

I would love to have your feedback on what we want to do with the nocommits. These include - Copy of ZkStateReader constants to solrj classes ([Utils](https://github.com/apache/solr/blob/521900d77ac938ba98a237fc1ca77700b168714d/solr/solrj/src/java/org/apache/solr/common/util/Utils.java#L89), [PerReplicaStates](https://github.com/apache/solr/blob/521900d77ac938ba98a237fc1ca77700b168714d/solr/solrj/src/java/org/apache/solr/common/cloud/PerReplicaStates.java#L182), [ClusterState](https://github.com/apache/solr/blob/521900d77ac938ba98a237fc1ca77700b168714d/solr/solrj/src/java/org/apache/solr/common/cloud/ClusterState.java#L49), [DocCollection](https://github.com/apache/solr/blob/521900d77ac938ba98a237fc1ca77700b168714d/solr/solrj/src/java/org/apache/solr/common/cloud/DocCollection.java#L44),...