CTE configuration with comandline tool

Renérequested to merge
1629580/code:wip-rss2ipy-cte into wip-rss2ipy-cte

I think it can now configure devices as desired with CTE, but I have not the hardware to check if it really works. It configures the the command as described in the API and USER documentation, however the implementation I made is not very neat.

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