2018/12/attendance.csv: dos2unix, add 2 more names
2018/12/attendance.csv: dos2unix, add 2 more names

Signed-off-by: Jeff Squyres <8d7f979c1534f5c44454845389099db3fe027b4b@cisco.com>

mpi-forum/mpi-forum.github.io,mpi-forum/mpi-forum.github.io,mpi-forum/mpi-forum.github.io,mpi-forum/mpi-forum.github.io,mpi-forum/mpi-forum.github.io