SES-1417 : Fix javadoc in SPARQLBooleanXMLParserFactory
SES-1417 : Initial complete version of SPARQLJSONParserBase
SES-1417 : Add SPARQLBooleanJSONParser as wrapper for
SPARQLJSONParserBase
SES-1417 : Add SPARQLResultsJSONParser as wrapper for
SPARQLJSONParserBase