Added new demo role 'bookadmin' with rights to approve/reject book submissions.  Attached Dorian Gray to the bookadmin role.  Fixed Dr. Jekyll's email address.
Added new demo role 'bookadmin' with rights to approve/reject book
submissions.  Attached Dorian Gray to the bookadmin role.  Fixed
Dr. Jekyll's email address.

inveniosoftware/invenio,inveniosoftware/invenio,tiborsimko/invenio,tiborsimko/invenio