Update paho to v1.2.1

Add configuration for insecure connections

For testing it is sometimes necessary to connect to insecure connections.
Added an option to disable certificate checks entirely.

Some testing with insecurity

Clean Session

Use host trusted store by default

Make Root CAs configurable

If you are behind a proxy with ssl inception or something else,
you have to set your own Corporate Root CAs to get through the proxy.

Add configuration for insecure connections

For testing it is sometimes necessary to connect to insecure connections.
Added an option to disable certificate checks entirely.

Set custom connection handler on iot device

Remove logger interface from evenhub package

Parametrize container env and create options