Mobility gem, migrating existing values to key-value table

gistfile1.txt

Assuming Mobility is already configured. if one wishes to properly synch up and migrate existing values from the class table attribute to the default locale

following example with attributes `description_short, description_long, description_search` and default_locale `de` 
@articles.all each do |article|
  article.update(description_short_de: article[:description_short], description_long_de: article[:description_long], description_search_de: article[:description_search])
end