Feature: true ping, rename old ping to siteMonitor (#2215)

public/locales/en/common.json

@@ -79,13 +79,20 @@
         "partial": "Partial"
     },
     "ping": {
-        "http_status": "HTTP status",
         "error": "Error",
         "ping": "Ping",
         "down": "Down",
         "up": "Up",
         "not_available": "Not Available"
     },
+    "siteMonitor": {
+        "http_status": "HTTP status",
+        "error": "Error",
+        "response": "Response",
+        "down": "Down",
+        "up": "Up",
+        "not_available": "Not Available"
+    },
     "emby": {
         "playing": "Playing",
         "transcoding": "Transcoding",