Revert "bringing the month names to uppercase"
Revert "bringing the month names to uppercase"

This reverts commit ccf6af7b44ed9597c46d66b9ae3079af461620d4.

svenfuchs/rails-i18n,pippallabs/rails-i18n,mperrando/rails-i18n,ukazap/rails-i18n,mauriciopasquier/rails-i18n,digitalfrost/rails-i18n,CloudVLab/rails-i18n