* Console:

- Disable zh translation in graphs on windows due to font issues
      - Fix NPE at startup
      - Graph tweaks

apps/routerconsole/java/src/net/i2p/router/web/SummaryBarRenderer.java

@@ -131,7 +131,7 @@ public class SummaryBarRenderer {
            //  .append(_("Jobs"))
            //  .append("</a>\n" +
 
-            if (!StatSummarizer.instance().isDisabled()) {
+            if (!StatSummarizer.isDisabled()) {
                 buf.append("<a href=\"/graphs\" target=\"_top\" title=\"")
                .append(_("Graph router performance"))
                .append("\">")