mv trailing '\n' out of constants into header script

Author: etpinard

tasks/header.js

@@ -13,7 +13,7 @@ var pathsDist = [
 ];
 
 function headerLicense(path) {
-    prependFile(path, constants.licenseDist, function(err) {
+    prependFile(path, constants.licenseDist + '\n', function(err) {
         if(err) throw err;
     });
 }

tasks/util/constants.js

@@ -61,7 +61,6 @@ module.exports = {
         '* Copyright 2012-2015, Plotly, Inc.',
         '* All rights reserved.',
         '* Licensed under the MIT license',
-        '*/',
-        ''
+        '*/'
     ].join('\n')
 };