Merge branch 'feature/alumnus'

...sets/stylesheets/extranet/_default/abstracts/_mixins.sass

...s/stylesheets/extranet/_default/abstracts/_variables.sass

...ets/stylesheets/extranet/_default/components/_facets.sass

...ts/stylesheets/extranet/_default/components/_persons.sass

...assets/stylesheets/extranet/_default/layouts/_header.sass

app/assets/stylesheets/extranet/_default/pages/_home.sass

...ts/stylesheets/extranet/_default/pages/_organization.sass

app/assets/stylesheets/extranet/_default/pages/_person.sass

app/assets/stylesheets/extranet/_default/pages/_year.sass

app/assets/stylesheets/extranet/themes/IJBA/_variables.sass

app/views/extranet/academic_years/index.html.erb

app/views/extranet/academic_years/show.html.erb

app/views/extranet/application/_footer.html.erb

app/views/extranet/application/_nav.html.erb

app/views/extranet/home/index.html.erb

app/views/extranet/organizations/show.html.erb

app/views/extranet/persons/_list.html.erb

app/views/extranet/persons/_person.html.erb