svenfuchs/rails-i18n — pull request #392 by glebm (2013-11-29 11:41:57+00:00)
Title: Add a task to find missing translations

Adds [i18n-tasks](https://github.com/glebm/i18n-tasks) to find missing translations.

```bash
$ rake i18n:missing[fr]
Missing translations (6) | i18n-tasks v0.2.8
Types: ✗ key missing, ∅ translation blank, = value same as base value
+--------+------+-----------------------------------------+-----------------------------+
| Locale | Type | i18n Key | Base value (en) |
+--------+------+-----------------------------------------+-----------------------------+
| fr | ∅ | activerecord.errors.messages.other_than | must be other than %{count} |
| fr | ∅ | activerecord.errors.messages.present | must be blank |
| fr | ∅ | activemodel.errors.messages.other_than | must be other than %{count} |
| fr | ∅ | activemodel.errors.messages.present | must be blank |
| fr | ∅ | errors.messages.other_than | must be other than %{count} |
| fr | ∅ | errors.messages.present | must be blank |
+--------+------+-----------------------------------------+-----------------------------+
```