view db/migrate/103_set_custom_fields_editable.rb @ 1087:74407a04925c issue_540

* (publication.rb) - fixed the acts_as_activity query (see diff to previous commit) - not returning duplicate results any longer; added the visible scope to the publication model;
* (init.rb) - created a new public permission - view_publication.

class SetCustomFieldsEditable < ActiveRecord::Migration
  def self.up
    UserCustomField.update_all("editable = #{CustomField.connection.quoted_false}")
  end

  def self.down
    UserCustomField.update_all("editable = #{CustomField.connection.quoted_true}")
  end
end