Add an attribute that called infinite-wrapper to compatible with customize scroll plugin like iScroll

Author: PeachScript

src/components/InfiniteLoading.vue

@@ -32,6 +32,8 @@
       return window;
     } else if (['scroll', 'auto'].indexOf(getComputedStyle(elm).overflowY) > -1) {
       return elm;
+    } else if (elm.hasAttribute('infinite-wrapper') || elm.hasAttribute('data-infinite-wrapper')) {
+      return elm;
     }
     return getScrollParent(elm.parentNode);
   }