Pre-Release v1.12.0-pre5

Features

• Added additional known status codes in MqttStatusCode class
• Added SmartMqttManager wrapper of MqttManager to handle common use cases
• Added SCHttpUtility methods to output response data to a file

Bug Fixes

• Fixed improper Javadoc in AutomaticRetryCodeLinear

Other

• Simplified MqttManager by internally getting status and passing to implementation methods

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