Upgrade systemjs to 0.21.5 (from 0.21.4)

Author: bdukes

package.json

@@ -69,7 +69,7 @@
     "select2": "4.0.5",
     "spectrum-colorpicker": "1.8.0",
     "swiper": "4.3.5",
-    "systemjs": "0.21.4",
+    "systemjs": "0.21.5",
     "tableexport": "5.0.2",
     "tinymce": "4.8.0",
     "tota11y": "0.1.6",

yarn.lock

@@ -5026,10 +5026,10 @@ swiper@4.3.5:
     dom7 "^2.0.7"
     ssr-window "^1.0.1"
 
-systemjs@0.21.4:
-  version "0.21.4"
-  resolved "https://registry.yarnpkg.com/systemjs/-/systemjs-0.21.4.tgz#043996efcac3fefcb7d62e8c40457a42e9c86e1e"
-  integrity sha512-l1O8boHjAIY5UG74Xk4B63LK9QbFxv/FkQa//GGGWaTeQoMhTsWnFrYwPWBScSF4xQFMO/+v9QB4i633h8Oytw==
+systemjs@0.21.5:
+  version "0.21.5"
+  resolved "https://registry.yarnpkg.com/systemjs/-/systemjs-0.21.5.tgz#2fcef4edfe744003da4787f3f3d45d73f94462d2"
+  integrity sha512-GWzZhN/x7Fsae2CYkz2GF7OgOS+YDgKulcgd5L1kTogZHMKDrPx5T8zI8I0y5RoU9Dx78Z7j1XMfuFa1thD84A==
 
 tableexport@5.0.2:
   version "5.0.2"