node require(re) snippet now can use new types of variables not only var by defult, can change in $1

snippets/javascript/javascript.node.snippets

@@ -5,7 +5,7 @@ snippet ex
 	module.exports = ${1};
 # require
 snippet re
-	var ${1} = require('${2:module_name}');
+	${1:var} ${2} = require('${3:module_name}');
 # EventEmitter
 snippet on
 	on('${1:event_name}', function(${2:stream}) {