Findbugs all over #2

Mostly char encoding
Use StringWriter rather than OSW->BAOS->String

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

@@ -1,20 +1,19 @@
 package net.i2p.router.web;
 
-import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.io.OutputStreamWriter;
+import java.io.StringWriter;
 
 
 public class ConfigPeerHelper extends HelperBase {
     public ConfigPeerHelper() {}
     
     public String getBlocklistSummary() {
-        ByteArrayOutputStream baos = new ByteArrayOutputStream(4*1024);
+        StringWriter sw = new StringWriter(4*1024);
         try {
-            _context.blocklist().renderStatusHTML(new OutputStreamWriter(baos));
+            _context.blocklist().renderStatusHTML(sw);
         } catch (IOException ioe) {
             ioe.printStackTrace();
         }
-        return new String(baos.toByteArray());
+        return sw.toString();
     }
 }