docs: function writeReplacedContents(reportList){
  	        var promises = [];
  			var validFileList = this.getValidFileList();
  			validFileList.forEach(function(fileItem) {
  				promises.push(this._writeOneFile(fileItem, reportList));
  			}.bind(this));
  			return Deferred.all(promises, function(error) { return {_error: error}; });
  	    }