finished admin/users i18n + dry the admin i18n

app/views/admin/workgroups/_form.html.haml

@@ -1,7 +1,7 @@
 %p= t('.first_paragraph', url: link_to(t('.here'), new_invite_path(id: @workgroup.id), remote: true)).html_safe
 = simple_form_for [:admin, @workgroup] do |f|
   = render :layout => 'shared/group_form_fields', :locals => {:f => f} do
-    %h4 Zugriff auf
+    %h4= t 'admin.access_to'
     = f.input :role_admin
     = f.input :role_finance
     = f.input :role_suppliers
@@ -9,4 +9,4 @@
     = f.input :role_orders
   .form-actions
     = f.button :submit
-    = link_to t('.or_cancel'), :back
+    = link_to t('admin.or_cancel'), :back

app/views/admin/workgroups/_workgroups.html.haml

@@ -6,8 +6,8 @@
     %tr
       %th= t '.name'
       %th= t '.members'
-      %th= t '.access_to'
-      %th= t '.actions'
+      %th= t 'admin.access_to'
+      %th= t 'admin.actions'
   %tbody
     - for workgroup in @workgroups
       %tr
@@ -15,6 +15,6 @@
         %td= workgroup.users.size
         %td= format_roles(workgroup)
         %td
-          = link_to t('.edit'), edit_admin_workgroup_path(workgroup), class: 'btn btn-mini'
-          = link_to t('.delete'), [:admin, workgroup], :confirm => t('.confirm', name: workgroup.name),
+          = link_to t('admin.edit'), edit_admin_workgroup_path(workgroup), class: 'btn btn-mini'
+          = link_to t('admin.delete'), [:admin, workgroup], :confirm => t('admin.confirm', name: workgroup.name),
             :method => :delete, class: 'btn btn-mini btn-danger'

app/views/admin/workgroups/index.html.haml

@@ -10,6 +10,6 @@
   = form_tag admin_workgroups_path, :method => :get, :remote => true,
     'data-submit-onchange' => true, class: 'form-search' do
     = text_field_tag :query, params[:query], class: 'input-medium search-query',
-      placeholder: t('.search_placeholder')
+      placeholder: t('admin.search_placeholder')
 #workgroups
   = render "workgroups"