feat: twikoo 最新評論更新，增加QQ頭像顯示

fix: 修復關閉圖片嬾加載，最新評論圖片無法加載的bugs
fix: 修復某些情況下toc無法滾動的bugs close #442
fix: 修復pjax下，開啟anchor後，文章頁跳轉到其他頁面會出現網址加上toc最後一節錨點ID的bugs #442

source/js/utils.js

@@ -254,6 +254,18 @@ var btf = {
     }
   },
 
-  isHidden: (ele) => ele.offsetHeight === 0 && ele.offsetWidth === 0
+  isHidden: (ele) => ele.offsetHeight === 0 && ele.offsetWidth === 0,
+
+  getEleTop: (ele) => {
+    let actualTop = ele.offsetTop
+    let current = ele.offsetParent
+
+    while (current !== null) {
+      actualTop += current.offsetTop
+      current = current.offsetParent
+    }
+
+    return actualTop
+  }
 
 }