Task/cluster support

[flopezag]

REVIEWER

@dcalvoalonso

DESCRIPTION

• Modify the LoRaWAN IoT Agent to deal with the option multi-thread in the IoTA Node Lib.
• Add the corresponding new variable in the config.js (multiCore) with description.
• Change in the Readme.md (Docker) and Installation Guide regarding High Performance execution of the LoRaWAN IoT Agent.
• Create 2 examples files of the user limits and sysctl configuration for high performance execution.
• Provide information of the LoRaWAN IoT Agent version in the request /iot/about.
• Create a help docker-compose file with all the needed services to test locally the IoTA LoRaWAN
• Correct typo in files header (seehttp...)
• (Temporally) Update the package.json to link to the IoTAgent Node Lib with the changes for testing purposes. NEED TO BE REVERT when the PR #815 is merged.

TESTING

Unit tests, E2E tests in single-thread (legacy options) and multi-thread:

• Obtain IoT Agent LoRaWAN version info
• Provision LoRaWAN endnode
• Retrieve all devices
• (using mosquitto_pub) sending information to LoRaWAN IoT Agent
• (using Orion) get the entity information

[chicco785]

@flopezag you may want to rebase your PR on top of the current version of the code base, if not we will close it. thx

[chicco785]

@flopezag you may want to rebase your PR on top of the current version of the code base, if not we will close it. thx

[flopezag]

This PR hat three years old. We should check it before any action taken related multi core support. Apparently, the majority of the functionality is delegated in the IoTAgent-Node-Lib but some test should be done from the current version before merging this content.