loosen mime-types requirement

`>= 1.25` spontaneously began to cause infinite loops and other
confusing failures in bundler dependency resolutions. I don't know of any
reason 1.16 wouldn't be sufficient, and that's the version required by the
mail gem, required by actionmailer.
load default i18n in spec

This may have been broken, in certain environments, by #1264
Add European Portuguese Translation
Merge pull request #1273 from pedrosmmoreira/pm-add_european_portuguese_translation

Add European Portuguese Translation
Merge remote-tracking branch 'upstream/master'