encoding: In ndn_decodeBinaryXmlName and ndn_decodeTlvName, added signedPortionBeginOffset and signedPortionEndOffset.
encoding: In WireFormat::decodeInterest, added signedPortionBeginOffset and signedPortionEndOffset.
Interest: Added wireDecode(Blob). As in the Data class, keep a defaultWireEncoding_ and check it in wireEncode and save it in wireDecode.