LPS-38370 Upgrade SOLR 4.3.1 libraries
LPS-38370 Update build
LPS-38370 Fix boosting exception by setting default boost 1 to unscored fields, which are boosted to 0 in DocumentImpl.
LPS-38370 Update schema
LPS-38370 lucene not necessary
LPS-38370 SF
LPS-38370 Sort