[grsec] Development/documentation update

[Alex Howells]

Brad Spengler wrote:
> Hi all,
> 
> The PaX Team and I have been rapidly developing new features for PaX and 
> grsecurity for the past many months. Though many of the new features 
> won't be news to those of you following the test releases (which I hope 
> is most of you), I thought it would be good to provide a summary of what 
> we've been working on recently.

Awesome update, most of this I'm familiar with but having it all in one
place and seeing a few bits I'd not noticed.... *really* glad
sponsorship was sorted out and the work can continue...

Keep up the fantastic work :)  It is much appreciated by many folks.

-- Alex