i18n cleanup (affects foodcoops#137)

app/views/shared/_articles_by_groups.html.haml

@@ -1,7 +1,7 @@
 %table.table.table-hover
   %thead
     %tr
-      %th{:style => "width:40%"}= t '.name'
+      %th{:style => "width:40%"}= heading_helper Article, :name
       %th
         %acronym{:title => t('shared.articles.ordered_desc')}= t 'shared.articles.ordered'
       %th
@@ -10,7 +10,7 @@
         %acronym{:title => t('.fc_price_desc')}= t '.fc_price'
       %th
         %acronym{:title => t('.unit_quantity_desc')}= t '.unit_quantity'
-      %th= t '.unit'
+      %th= heading_helper Article, :unit
       %th= t '.price'
 
   - for group_order in order.group_orders.ordered

app/views/shared/_group.html.haml

@@ -1,14 +1,14 @@
 %dl
-  %dt= t('.description') + ':'
+  %dt= heading_helper(Ordergroup, :description) + ':'
   %dd=h group.description
   - if group.is_a?(Ordergroup) and (@current_user.role_admin? or @current_user.role_finance?)
-    %dt= t('.contact') + ':'
+    %dt= heading_helper(Ordergroup, :contact) + ':'
     %dd=h group.contact
-    %dt= t('.address') + ':'
+    %dt= heading_helper(Ordergroup, :contact_address) + ':'
     %dd= link_to_gmaps group.contact_address
   %dt= t('.access') + ':'
   %dd= format_roles(group)
-  %dt= t('.members') + ':'
+  %dt= heading_helper(Ordergroup, :user_tokens) + ':'
   %dd
     - members = group.users
     = "(#{members.size})"