[PATCH] docs: hint about creating a new virtual environment for major upgrades

[Mads Kiilerich]

On 3/10/19 8:59 PM, Thomas De Schampheleire wrote:
> # HG changeset patch
> # User Thomas De Schampheleire <thomas.de_schampheleire at nokia.com>
> # Date 1552247908 -3600
> #      Sun Mar 10 20:58:28 2019 +0100
> # Node ID e487f7977a4e452ccdf034afb576f5d88ced1e6f
> # Parent  9f41dc6f328adc06b71b7304f54a164f955fd056
> docs: hint about creating a new virtual environment for major upgrades


LGTM ... but perhaps make it even more prominent, perhaps as the main 
method for upgrading?

/Mads