[Mpi3-rma] RMA chapter for quick review

[Bronis R. de Supinski]

Torsten:

Re:
> Just a quick note: the proposal on the wiki is now updated to the newest
> version!
>
> https://svn.mpi-forum.org/trac/mpi-forum-web/wiki/mpi3-rma-proposal1

OK, I will use it as I evaluate the proposal. I expect
to try to separate my feedback between major issues that
need to be addressed and minor ticket 0 changes. I will
plan on you collecting the latter for eventual application.

Bronis