Jongyeol Choi e09ffc7d60 Add supporting MQTT 3.1.1 ... Motivation: MQTT 3.1.1 became an OASIS Standard at 13 Nov 2014. http://docs.oasis-open.org/mqtt/mqtt/v3.1.1/mqtt-v3.1.1.html MQTT 3.1.1 is a minor update of 3.1. But, previous codec-mqtt supported only MQTT 3.1. Modifications: - Add protocol name `MQTT` with previous `MQIsdp` for `CONNECT`’s variable header. - Update client identifier validation for 3.1 with 3.1.1. - Add `FAILURE (0x80)` for `SUBACK`’s new error code. - Add a test for encode/decode `CONNECT` of 3.1.1. Result: MqttEncoder/MqttDecoder can encode/decode frames of 3.1 or 3.1.1.		2014-11-15 09:07:12 +01:00
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netty/handler/codec/mqtt	Add supporting MQTT 3.1.1	2014-11-15 09:07:12 +01:00