rename description_short as summary

app/models/communication/website/page/research_volume.rb

app/models/communication/website/page/researcher.rb

app/models/communication/website/page/sitemap.rb

app/models/communication/website/page/teacher.rb

app/models/communication/website/post.rb

app/models/education/diploma.rb

app/models/education/program.rb

app/models/university/organization.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/views/admin/application/chapo/_form.html.erb

app/views/admin/application/chapo/_show.html.erb

app/views/admin/application/chapo/_static.html.erb

...in/communication/blocks/templates/pages/_preview.html.erb

...in/communication/blocks/templates/posts/_preview.html.erb

app/views/admin/education/programs/show.html.erb