[Zope-CMF] GenericSetup 1.5

[yuppie]

yuppie wrote:
> Right now the versions are mostly ignored if a checker exist. I'd like 
> to evaluate the versions first and use the checker as an additional 
> restriction. Also, running a step with checker should not update the 
> current version of the profile.
> 
> These changes would allow to split upgrades between versions into 
> several task centric steps. That gives users more control over the 
> upgrade process, doing upgrades step by step or skipping specific steps.
> 
> If people agree that this doesn't require a proposal and discussion 
> first, I could try to implement this in time for your release.

This is now implemented. I hope I didn't break anything. There were no 
tests and same behavior didn't look right.

CMFDefault now uses the new features.

Cheers, Yuppie