[Mpi3-ft] Latest version of chapter

[Darius Buntinas]

Here's the latest version of the FT chapter is on the wiki (it's in a new location on the main FT page under "ticket #276".  Please have a look and comment.

Here's a direct link to the PDF:
    https://svn.mpi-forum.org/trac/mpi-forum-web/raw-attachment/wiki/FaultToleranceWikiPage/ft.pdf

Here's a summary of the changes Josh and I made:

* Minor wording touchups 
* Added new semantic for MPI_ANY_SOURCE with the MPI_ERR_ANY_SOURCE_DISABLED error code 
* Coverted wording for all comm, win, fh creation operations to not require collectively active communicators (eliminate requirement for synchronization) 
* Added missing reader_lock to ANY_SOURCE example 
* Added case for MPI_WIN_TEST

and 

One-sided section
    clarified that window creation need not be blocking
    clarified that RMA ops might not complete correctly even if
      synchronization ops complete without error due to process
      failures
Process failure notification
    Added section describing new functions to add callbacks to comms,
      wins and files that are called when proc failure is detected
Other wordsmithing/cleanup changes

-d