activesupport-3.2.13.gem depend on i18n gem

so i18n should be installed prior to activesupport. Otherwise it will fail with
Successfully installed activesupport-2.3.18
ERROR:  Error installing activesupport-3.2.13.gem:
        activesupport requires i18n (= 0.6.1, runtime)
Successfully installed i18n-0.6.1
Successfully installed i18n-0.6.5