add a link 'ask an invitation' on the main page while not logged in. closes #2

app/views/layouts/application.html.erb

@@ -59,6 +59,9 @@
         <% end %>
 
         <% links.merge!({ "/search" => t('.searchlink') }) %>
+        <% if !@user %>
+          <% links.merge!({ "/invitations/request" => t('.invitationlink') }) %>
+        <% end %>
 
         <% if @cur_url.present? && !links.keys.include?(@cur_url) &&
         @heading.present? %>

config/locales/en.yml

@@ -51,6 +51,7 @@ en:
       yourthreadslink: "Your Threads"
       submitstorylink: "Submit Story"
       searchlink: "Search"
+      invitationlink: "Ask for an invitation"
       filterslink: "Filters"
       newmessagelink:
         one: "1 New Message"

config/locales/fr.yml

@@ -63,6 +63,7 @@ fr:
       yourthreadslink: "Vos sujets"
       submitstorylink: "Soumettre"
       searchlink: "Recherche"
+      invitationlink: "Demander une invitation"
       filterslink: "Filtres"
       newmessagelink:
         one: "Nouveau message"