[fixed] remove es2015 from v1 branch

closes #375

Author: claydiffrient

lib/helpers/refCount.js

@@ -1,19 +1,19 @@
-const modals = [];
+var modals = [];
 
-export function add (element) {
-  if (modals.indexOf(element) === -1) {
-    modals.push(element);
+module.exports = {
+  add (element) {
+    if (modals.indexOf(element) === -1) {
+      modals.push(element);
+    }
+  },
+  remove (element) {
+    const index = modals.indexOf(element);
+    if (index === -1) {
+      return;
+    }
+    modals.splice(index, 1);
+  },
+  count () {
+    return modals.length;
   }
-}
-
-export function remove (element) {
-  const index = modals.indexOf(element);
-  if (index === -1) {
-    return;
-  }
-  modals.splice(index, 1);
-}
-
-export function count () {
-  return modals.length;
-}
+};