Translate translations/new

app/views/translations/_form.html.erb

@@ -1,7 +1,7 @@
 <%= form_for([@problem, @translation]) do |f| %>
   <% if @translation.errors.any? %>
     <div id="error_explanation">
-      <h2><%= pluralize(@translation.errors.count, "error") %> prohibited this problem from being saved:</h2>
+      <h2><%= t 'errors.template.header', model: Translation.model_name.human, count: @translation.errors.count %></h2>
 
       <ul>
       <% @translation.errors.full_messages.each do |message| %>

app/views/translations/new.html.erb

@@ -1,5 +1,5 @@
-<h1>New translation for problem <%= @problem.id %></h1>
+<h1><%= t '.new_translation', id: @problem.id %></h1>
 
 <%= render 'form' %>
 
-<%= link_to 'Back', translations_path %>
+<%= link_to t('.back'), translations_path %>