Refactored referrer logic. Display stats for no referrers.

lang/zh-CN.json

@@ -37,6 +37,7 @@
   "label.more": "更多",
   "label.name": "名字",
   "label.new-password": "新密码",
+  "label.none": "None",
   "label.owner": "所有者",
   "label.password": "密码",
   "label.passwords-dont-match": "密码不一致",
@@ -97,13 +98,13 @@
   "metrics.devices": "设备",
   "metrics.events": "行为类别",
   "metrics.filter.combined": "总和",
-  "metrics.filter.domain-only": "只看域名",
   "metrics.filter.raw": "原始",
   "metrics.languages": "语言",
   "metrics.operating-systems": "操作系统",
   "metrics.page-views": "页面浏览量",
   "metrics.pages": "网页",
   "metrics.referrers": "来源域名",
+  "metrics.screens": "Screens",
   "metrics.unique-visitors": "独立访客",
   "metrics.views": "浏览量",
   "metrics.visitors": "访客"