view db/migrate/20091017212457_add_missing_indexes_to_custom_fields_projects.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 AddMissingIndexesToCustomFieldsProjects < ActiveRecord::Migration
  def self.up
    add_index :custom_fields_projects, [:custom_field_id, :project_id]
  end

  def self.down
    remove_index :custom_fields_projects, :column => [:custom_field_id, :project_id]
  end
end