installation: addition of missing passlib dependency
installation: addition of missing passlib dependency

Signed-off-by: Krzysztof Nowak <ec2e6b092344a8f9a548dde0d2ede1e06ecfeabd@cern.ch>

tiborsimko/invenio-accounts,tiborsimko/invenio-accounts,inveniosoftware/invenio-accounts,inspirehep/invenio-accounts,inspirehep/invenio-accounts,tiborsimko/invenio-accounts,inspirehep/invenio-accounts,inveniosoftware/invenio-accounts,inveniosoftware/invenio-accounts