new version function as an alias of software_version

resources/functions.php

@@ -22,6 +22,7 @@
 
 	Contributor(s):
 	Mark J Crane <markjcrane@fusionpbx.com>
+	Luis Daniel Lucio Quiroz <dlucio@okay.com.mx>
 */
 
 	if (!function_exists('software_version')) {
@@ -30,6 +31,12 @@
 		}
 	}
 
+	if (!function_exists('version')) {
+		function version() {
+			return software_version();
+		}
+	}
+
 	if (!function_exists('check_float')) {
 		function check_float($string) {
 			$string = str_replace(",",".",$string);