Update gems. Care fore secret_key_base. (It does not work)
Comment out attr_accessible and attr_protected (comments will be deleted when strong parameters are done).
Fix routes.rb for Rails4
[#64961508] Fix deprecated find parameters in has_many.
Change return code.
[#64961508] Use ActiveRecord::FixtureSet instead of ActiveRecord::Fixtures.
[#64961508] Replace sope content from hash to scope.
[#64961508] Stop using find(:all).