mt allocator documentation (draft)

[Stefan Olsson]

Paolo Carlini wrote:

> Stefan Olsson wrote:
>
>> Looking forward to all comments...
>
>
> Hi Stefan, I'm reading the doc and learning a lot from it!
>
> A few cosmetic tid bits...

Thanks Paolo!

I guess that there are quite a few errors in my english - both from the 
fact that I'm not a native speaker and that I focused mostly on the 
content in this draft. I'll await more comments and then merge them all 
into a new version.

Brgds

/Stefan