Readme and docs

[jcb91]

to address #740 and comments therein

[juhasch]

Looks good.
Note:
In future there will be jupyter/nbconvert#500 as alternative to strip_output_prompt.

[jcb91]

In future there will be jupyter/nbconvert#500 as alternative to strip_output_prompt.

Good to know, perhaps we should note it in the docs?

[juhasch]

Yes, I think we should add this to the docs. As it has only been merged recently, there is no hurry. Let's first try if it works. I am making a mental notice to me to do this :-)