damianm/fix-scalapack-comm
fixed issue where scalapack matrix is created with a communicator different from MPI_COMM_WORLD following advice at:
http://icl.cs.utk.edu/lapack-forum/archives/scalapack/msg00065.html
fixed issue where scalapack matrix is created with a communicator different from MPI_COMM_WORLD following advice at:
http://icl.cs.utk.edu/lapack-forum/archives/scalapack/msg00065.html