Merge pull request #846 from noesya/hal_multiple_authors

app/assets/images/admin/research/hal-thumb.jpg

app/assets/images/admin/research/hal.jpg

app/controllers/admin/research/hal/application_controller.rb

app/controllers/admin/research/hal/authors_controller.rb

app/controllers/admin/research/hal/dashboard_controller.rb

...controllers/admin/research/hal/publications_controller.rb

app/controllers/admin/research/researchers_controller.rb

app/models/ability.rb

app/models/concerns/with_university.rb

app/models/research.rb

app/models/research/hal.rb

app/models/research/hal/author.rb

app/models/research/hal/publication.rb

app/models/university/person.rb

app/models/university/person/administrator.rb

app/models/university/person/alumnus.rb

app/models/university/person/author.rb

app/models/university/person/researcher.rb

app/models/university/person/teacher.rb

app/models/university/person/with_research.rb