implement saved searches, move user boolean settings to bitprefs

app/views/posts/partials/common/_secondary_links.html.erb

@@ -6,6 +6,9 @@
     <li><%= link_to "Hot", posts_path(:tags => "order:rank") %></li>
     <% unless CurrentUser.is_anonymous? %>
       <li><%= link_to "Favorites", favorites_path %></li>
+      <% if CurrentUser.user.has_saved_searches? %>
+        <li><%= link_to "Saved searches", saved_searches_path %></li>
+      <% end %>
       <li><%= link_to "Subscriptions", posts_path(:tags => "sub:#{CurrentUser.name}") %></li>
     <% end %>
     <li class="nonessential"><%= link_to "Changes", post_versions_path %></li>

app/views/posts/partials/index/_posts.html.erb

@@ -1,5 +1,13 @@
 <div id="posts">
-  <%= post_set.presenter.post_previews_html(self) %>
+  <div style="overflow: hidden;">
+    <%= post_set.presenter.post_previews_html(self) %>
+  </div>
+
+  <% if params[:tags] %>
+    <div id="saved-searches-nav">
+      <%= render "saved_searches/interface", :saved_searches => CurrentUser.user.saved_searches %>
+    </div>
+  <% end %>
 
   <%= numbered_paginator(post_set.posts) %>
 </div>