fix dependencies so logging works from replicator/ tests: Maven config; downgrade commons-logging from v1.1.3 to v1.1.1: httpcore dependency

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1485755 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4814: If a SolrCore cannot be created it should remove any information it published about itself from ZooKeeper.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1485831 13f79535-47bb-0310-9956-ffa450edef68
SOLR-4745: Do not pass a SolrCore in ZkController.preRegister()

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1485835 13f79535-47bb-0310-9956-ffa450edef68
Fixed fieldcache insanity failure in testBasic.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1486012 13f79535-47bb-0310-9956-ffa450edef68