[3dprinter-general] Review of Cura 3.1.0

[Gregor Riepl]

Hi,

I imported Cura 3.1.0 and its dependencies.
Could you review and release the package when you have time?

By the way:
https://github.com/Ultimaker/Cura/issues/2810#issuecomment-359250182
> *ChrisTerBeke*
> 3.2 will have a button that takes you to the preferences window where
> you can disable it.

I think the message box and the button should be enough to address the
SliceInfo (telemetry) plugin issue. What do you think?

Have a nice evening,
Greg