consolidate the search_solr and search_solr_wildcard by implementing the wildcards as special cases inside _buildQueryString
consolidate the search_solr and search_solr_wildcard by implementing the wildcards as special cases inside _buildQueryString

qzzhang/KBSolrUtil,qzzhang/KBSolrUtil,qzzhang/KBSolrUtil,qzzhang/KBSolrUtil,qzzhang/KBSolrUtil,qzzhang/KBSolrUtil,qzzhang/KBSolrUtil