Mark matplotlib and babel as nonblocking
Mark matplotlib and babel as nonblocking

Fixes https://github.com/fedora-python/portingdb/issues/6 (the matplotlib part)

irushchyshyn/portingdb,irushchyshyn/portingdb,fedora-python/portingdb,ari3s/portingdb,ari3s/portingdb,fedora-python/portingdb,irushchyshyn/portingdb,ari3s/portingdb,irushchyshyn/portingdb,fedora-python/portingdb,ari3s/portingdb