[vtkusers] Removing support for VS 8 and GCC < 4.1

[Sean McBride]

On Tue, 9 Jun 2015 11:30:48 -0400, David Cole via vtkusers said:

>I would go so far as to say it's reasonable that the dev/trunk/master
>branch of a project should only support the two most recent stable
>compiler releases on any given platform.

Once my conservative patch is merged, I'll do another pass looking at what remaining workarounds exist for old compilers/OSes and post it for review/discussion.

Cheers,

-- 
____________________________________________________________
Sean McBride, B. Eng                 sean at rogue-research.com
Rogue Research                        www.rogue-research.com 
Mac Software Developer              Montréal, Québec, Canada