Merge pull request #665 from noesya/fix/permalinks-about-index

app/models/communication/website/permalink.rb

app/models/communication/website/permalink/administrator.rb

app/models/communication/website/permalink/author.rb

app/models/communication/website/permalink/category.rb

app/models/communication/website/permalink/diploma.rb

app/models/communication/website/permalink/organization.rb

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

app/models/communication/website/permalink/person.rb

app/models/communication/website/permalink/post.rb

app/models/communication/website/permalink/program.rb

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

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

...38_add_about_index_in_communication_website_permalinks.rb

db/schema.rb