update Piwik to version 2.16 (fixes #91)

www/analytics/plugins/VisitsSummary/lang/zh-tw.json

@@ -0,0 +1,16 @@
+{
+    "VisitsSummary": {
+        "AverageVisitDuration": "平均訪問時間 %s",
+        "GenerateQueries": "%s 個查詢已執行",
+        "GenerateTime": "頁面生成時間： %s 秒",
+        "MaxNbActions": "%s 由單一次造訪所產生的最大活動數",
+        "NbActionsDescription": "%s 個活動（檢視網頁、下載和離開連結）",
+        "NbActionsPerVisit": "%s 每個訪客的活動數",
+        "NbUniqueVisitors": "不重複訪客 %s 位",
+        "NbVisitsBounced": "跳出率 %s（僅瀏覽一頁便離站）",
+        "VisitsSummary": "訪客總覽",
+        "WidgetLastVisits": "最近造訪圖表",
+        "WidgetOverviewGraph": "圖表總覽",
+        "WidgetVisits": "造訪次數總覽"
+    }
+}