Thingsboard-gateway

Minor release of ThingsBoard IoT gateway.

Contains fixes and improvements.

Additional hotfix for 432 .

Minor release.
Contains fixes for Modbus Connector, BACnet connector and improvements for the gateway service.

Minor release of ThingsBoard IoT Gateway.

Contains fixes.

ThingsBoard IoT gateway minor release, includes fixes and improvements for:
- MQTT connector;
- Modbus Connector;
- OPC-UA connector (Thanks joerg555);
- TB updater fixes;
- TB Gateway service fixes and improvements;

Additional features:
- If no connectors in connectors section in *tb_gateway.yaml* file - the gateway automatically turns on remote configuration and you are able to configure it from Gateways dashboard on ThingsBoard.
- **qos** parameter in general configuration (Quality of service for connection between the gateway and ThingsBoard instance, supported values - at most once **0** or at least once **1**)

**Main features**
- [SNMP Connector] Add ability to get information from SNMP manager.
- [Remote shell] Add ability to get access to the device shell from ThingsBoard UI.

**Additional features:**
- Optimized dependencies.

**Bug fixes:**
- Fix for RPC
- Fix for REST Connector
- Fix for Modbus Connector
- Some minor fixes.

**Additional features:**
- [BLE Connector] Added address type configuration parameter 334

**Bug fixes:**
- Fix for RPC calls after auto-reconnect to ThingsBoard
- Fix for auto-reconnect to MQTT broker
- Fix 320
- Fix for 318
- Fix for Docker image
- Fix for package generation script