added missing includes
added missing variable
actually do some output, if requested
libm was missing (for floor()) in linker list
vector collectives implementation is now selectable at build time
merge
now compiling with C99 set as standard (bad: this flag is not portable, but current cmake doesn't have a portable solution, yet. see: http://www.cmake.org/Bug/view.php?id=12300
removed now superfluous variable
use relative path for running tests as MPICH is less forgiving than Open MPI when it comes to finding executables
Merge https://github.com/jeffhammond/BigMPI
Merge pull request #13 from gentryx/master

fixed "make test" with MPICH