incorporate solution from pkp#1631 about givenname and family names

plugins/importexport/csv/CSVImportExportPlugin.inc.php

@@ -210,7 +210,7 @@ function executeCLI($scriptName, &$args) {
 					// But default to press email address based on press path if not present.
 					$givenName = $familyName = $emailAddress = null;
 					$authorString = trim($authorString); // whitespace.
-					if (preg_match('/^(\w+)(\s+\w+)?\s*(<([^>]+)>)?$/', $authorString, $matches)) {
+					if (!preg_match('/^([\w.\s]+)\s+([\w\s-]+)?\s*(<([^>]+)>)?$/', $authorString, $matches)) {
 						$givenName = $matches[1]; // Mandatory
 						if (count($matches) > 2) {
 							$familyName = $matches[2];