Fix end session report, move address when system is a ZC, show #addresses on systems

app/Classes/Protocol.php

@@ -275,7 +275,7 @@ abstract class Protocol
 
 		Log::info(sprintf('%s:   Total: %s - %d:%02d:%02d online, (%d) %lu%s sent, (%d) %lu%s received - %s',
 			__METHOD__,
-			$this->node->address,
+			$this->node->address->ftn,
 			$this->node->session_time/3600,
 			$this->node->session_time%3600/60,
 			$this->node->session_time%60,

app/Models/System.php

@@ -47,6 +47,14 @@ class System extends Model
 		return $this->hasOne(Setup::class);
 	}
 
+	/**
+	 * This system is the ZC for the following zones
+	 */
+	public function zcs()
+	{
+		return $this->belongsToMany(Zone::class);
+	}
+
 	/**
 	 * Zones a system has addresses for
 	 *