fix score info reporting for new bool query min score based on # of query terms contained.
fix score info reporting for new bool query
min score based on # of query terms contained.

gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine