AppVeyor: Fix missing quote and comma, update binstar conda-build jinja2
AppVeyor: Fix missing quote and comma, update binstar conda-build jinja2

mpi4py/mpi4py,pressel/mpi4py,pressel/mpi4py,mpi4py/mpi4py,pressel/mpi4py,mpi4py/mpi4py,pressel/mpi4py