* i2ptunnel.config: Remove irc.freshcoffee.i2p

* NetDbRenderer: Adjust debug floodfill estimate
 * StatManager: Don't start thread for an empty config
 * StatisticsManager: Don't publish client tunnel stats
 * Log tweaks

core/java/src/net/i2p/stat/StatManager.java

@@ -48,7 +48,8 @@ public class StatManager {
         _context = context;
         _frequencyStats = new ConcurrentHashMap<String,FrequencyStat>(8);
         _rateStats = new ConcurrentHashMap<String,RateStat>(128);
-        if (getStatFilter() != null)
+        String filter = getStatFilter();
+        if (filter != null && filter.length() > 0)
             _statLog = new BufferedStatLog(context);
     }