LUCENE-4796, SOLR-4373: Fix concurrency issue in NamedSPILoader and AnalysisSPILoader when doing concurrent core loads in multicore Solr configs
LUCENE-4796, SOLR-4373: Fix concurrency issue in NamedSPILoader and AnalysisSPILoader when doing concurrent core loads in multicore Solr configs


git-svn-id: 308d55f399f3bd9aa0560a10e81a003040006c48@1450275 13f79535-47bb-0310-9956-ffa450edef68

cscorley/solr-only-mirror,cscorley/solr-only-mirror,cscorley/solr-only-mirror