** Fixed bug in publication controller that caused it to crash when no
authors were specified
** Added back link to publication edit view
** Added place holders for image and file uploading
** Added permission check into getCreativeCommonsLisence method of
GameLibraryManageBackingBean
** Fixed bug in description that caused abbreviated and plain
descriptions to crash when nulled
** Added overloaded method of createBookPublication method into
PublicationController that requires only mandatory properties
** Added support for creating book publications into publication
management