Add options to Enable/Disable JMX

[mariomastrodicasa]

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Is your feature request related to a problem? Please describe.

The following code defines that JMX is enabled and how it is activated: https://github.com/masesgroup/KNet/blob/4527271bbd96c131bdc6a2f4a2f68833092249e4/src/net/KNet/KNetCore.cs#L385-L387

Describe the solution you'd like

Add options to Enable/Disable:

1. JMX at all
2. authentication
3. SSL

Describe alternatives you've considered N/A

Additional context N/A

[masesdevelopers]

To cover the full issue some other options must be managed, read https://www.ibm.com/docs/en/elm/6.0.2?topic=servers-enabling-jmx-application and https://docs.oracle.com/javase/8/docs/technotes/guides/management/agent.html for an overview.

The following can be done immediately:

1. JMX at all

The following needs extra parameters:

2. authentication

The following needs extra parameters:

3. SSL

First of all, for security reason, the request 1 will be satisfied immediately. Then will be done the others.