view db/migrate/20110228000000_add_repositories_log_encoding.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 AddRepositoriesLogEncoding < ActiveRecord::Migration
  def self.up
    add_column :repositories, :log_encoding, :string, :limit => 64, :default => nil
  end

  def self.down
    remove_column :repositories, :log_encoding
  end
end