9.3 to 11.1 upgrade

[Zoran Kolic]

> Generally (and previously) the advice is to go via the next major version so
> you should go:
> 
> 9.3 -> 10.x -> 11.x not 9.3 -> 11.x

Exactelly what I want to avoid.
People successfuly upgraded, without branch 10.
Thanks a lot.

                       Zoran