Rev390, Fix sidebar error on non locatable IPs, Configurable bootstrap torrent trackers, Multi-line config file settings, Evenly distributed tracker announce to work better on passive connections, Avoid iframe sandbox escape by using nonces, Better html error messages, Display proper error on invalid startup parameters

plugins/Sidebar/SidebarPlugin.py

@@ -376,7 +376,7 @@ class UiWebsocketPlugin(object):
                 else:
                     loc = geodb.get(peer.ip)
                     loc_cache[peer.ip] = loc
-                if not loc:
+                if not loc or "location" not in loc:
                     continue
 
                 # Create position array