fixes #1576

The "params[:order] ||= params.delete(:sort)" is to support existing
links using sort.

app/views/wiki_pages/_recent_changes.html.erb

@@ -1,5 +1,5 @@
 <section>
-  <h1>Recent Changes (<%= link_to "all", wiki_pages_path(:sort => "time") %>)</h1>
+  <h1>Recent Changes (<%= link_to "all", wiki_pages_path(:order => "time") %>)</h1>
   <ul>
     <% WikiPage.recent.each do |page| %>
       <li class="category-<%= page.category_name %>"><%= link_to page.pretty_title, wiki_page_path(page) %></li>

app/views/wiki_pages/search.html.erb

@@ -6,8 +6,8 @@
       <%= search_field "body_matches", :label => "Body" %>
 
       <div class="input">
-        <label for="search_sort">Sort</label>
-        <%= select "search", "sort", ["Name", "Date"] %>
+        <label for="search_order">Order</label>
+        <%= select "search", "order", ["Name", "Date"] %>
       </div>
 
       <%= submit_tag "Search" %>