Steven
I just had a look at image_inspector.
The `Tools` (in mpl jargon are `widgets`) look great.
Some replicate what we already have but more modern (for me this is
positive improvement).
Regarding the roi_inspector, this is a great fit for MEP22 tools (Almost
done).
My suggestion would be to
It would be great if we can see the code for the style system.
However, for integration into MPL, rather than something which 'sits on top'
of the existing API (I presume you are therefore working with getter/setter
functions), the MEP I'm proposing is also trying to achieve the seperation
of the
