Add Administrate Localizations

This copies the administrate gem's nl / Dutch translations and copies
them to our Matawai translations.

Good enough for now, and it'll stop breaking the Administrate admin
panel when in mat locale.

rails/config/locales/administrate.mat.yml

@@ -0,0 +1,28 @@
+---
+mat:
+ administrate:
+ actions:
+ confirm: Weet u het zeker?
+ destroy: Verwijder
+ edit: Bewerk
+ edit_resource: Bewerk %{name}
+ show_resource: Toon %{name}
+ new_resource: Nieuw %{name}
+ back: Terug
+ controller:
+ create:
+ success: "%{resource} was succesvol aangemaakt."
+ destroy:
+ success: "%{resource} was succesvol verwijderd."
+ update:
+ success: "%{resource} was succesvol geupdated."
+ fields:
+ has_many:
+ more: Resultaat %{count} van %{total_count}
+ none: Geen
+ form:
+ error: error
+ errors: "%{pluralized_errors} prohibited this %{resource_name} from being saved:"
+ search:
+ clear: CDuidelijke zoek
+ label: Zoeken %{resource}