docs: function LiveJsonDatasource(parameters, data) {
  	this.name = 'LiveJson';
  	
  	if (parameters instanceof Array) {		
  		this.data = data;
  		ReportDatasource.call(this, parameters);	
  	} else {
  		// load from object def
  		for(var property in parameters) {			
  			this[property] = parameters[property];
  		}
  	}
  }