Release Maintenance (WAS Re: Goals for 2.22)

[Gervase Markham]

Max Kanat-Alexander wrote:
> 	Perhaps a 12-month support period for a release would be better.
> Consultants could pick up the slack on old releases, if they so desired.
> People could probably start whole businesses around that, if they felt
> like it.

The alternative is an 18-month support period but with 9-month releases 
instead of six.

Yet another alternative is picking one release to be "long-lived (e.g. 
2.18) and only supporting the in-between releases for 
next-release-plus-three-months.

Gerv