- Hide I2CP settings when in router context

- Better BEValue.toString()

(most of the following got missed in the last checkin)
- Fix about 9 NPEs
- Fix numwant in magnet mode
- Send metadata size in extension handshake
- Open trackers are primary if we don't have primary trackers
- Add missing break in port message handling
- Increase max msg size to account for metadata msg
- Remember magnets across restarts
- Drop peers w/o extensions if we need metainfo
- Fix DATA messages
- Fix tracker transition to non-magnet
- Fix infohash for non-magnet
- Fix up peer transition to non-magnet
- More logging

apps/i2psnark/java/src/org/klomp/snark/Message.java

@@ -104,7 +104,7 @@ class Message
     if (type == REQUEST || type == CANCEL)
       datalen += 4;
 
-    // length is 1 byte
+    // msg type is 1 byte
     if (type == EXTENSION)
       datalen += 1;
 
@@ -167,6 +167,8 @@ class Message
         return "PIECE(" + piece + "," + begin + "," + length + ")";
       case CANCEL:
         return "CANCEL(" + piece + "," + begin + "," + length + ")";
+      case PORT:
+        return "PORT(" + piece + ")";
       case EXTENSION:
         return "EXTENSION(" + piece + ',' + data.length + ')';
       default: