fix casing for a few files

src/scripts/fileDownloader.js

@@ -0,0 +1,14 @@
+import multiDownload from 'multi-download';
+
+export function download(items) {
+
+    if (window.NativeShell) {
+        items.map(function (item) {
+            window.NativeShell.downloadFile(item);
+        });
+    } else {
+        multiDownload(items.map(function (item) {
+            return item.url;
+        }));
+    }
+}