Miniapp for MPI (c++ & fortran) initial commit

Added mini app with some functionality commented out, or left blank.
This is to be completed by students.
Added example run to todo script
Merge pull request #1 from rietmann/master

Add MPI version (C++ and Fortran)
added mpi collective slides
Merge branch 'master' of https://github.com/fomics/SummerSchool2014
added datatypes/topology slides
 added MPI-IO slides
added mpi solutions
added hybrid MPI/OMP slides for reference
added craypat slides
added OpenACC lecture 1
Adding GPU intro lecture slides + code examples
Adding GPU intro lecture slides + code examples
Merge pull request #2 from apc-llc/master

Adding GPU intro lecture slides + code examples
Merge remote-tracking branch 'upstream/master'