Add support for relation history.

app/views/browse/_member.rhtml

@@ -1,7 +1,5 @@
-<% if member.member.visible %>
 <tr>
-  <td><%= link_to member.member.id.to_s, :controller => member.member_type, :id => member.member.id %></td>
+  <td><%= link_to member.member_id.to_s, :controller => member.member_type, :id => member.member_id %></td>
   <td><%= h(member.member_type) %></td>
   <td><%= h(member.member_role) %></td>
 </tr> 
-<% end %>

app/views/browse/_relation_members.rhtml

@@ -1,4 +1,4 @@
-<% if relation.members.length != 0 %>
+<% if members.length != 0 %>
 <h3>Members</h3> 
 <table id="keyvalue" cellpadding="3">
   <tr>
@@ -6,6 +6,6 @@
     <th>Type</th>
     <th>Role</th>
   </tr>
-  <%= render :partial => 'member', :collection => relation.relation_members  %>
+  <%= render :partial => 'member', :collection => members  %>
 </table>
 <% end %>

app/views/browse/relation_history.rhtml

@@ -0,0 +1,9 @@
+<h2>Relation History: <%= h(@name) %></h2>
+<%= render :partial => 'common', :locals => { :obj => @relation, :type => "relation" } %>
+<h2>Hisorical Versions</h2> 
+<% @relation.old_relations.reverse.each do |relation| %>
+<%= render :partial => 'common_editedby', :locals => { :obj => relation } %>
+<%= render :partial => 'tag_table', :locals => { :tags => relation.tags } %>
+<%= render :partial => 'relation_members', :locals => { :members => relation.old_members } %>
+<hr />
+<% end %>

app/views/browse/relation_view.rhtml

@@ -1,4 +1,4 @@
 <h2>Relation Browser: <%= h(@name) %></h2>
 <%= render :partial => 'common', :locals => { :obj => @relation, :type => "relation" } %>
 <%= render :partial => 'tag_table', :locals => { :tags => @relation.tags } %>
-<%= render :partial => 'relation_members', :locals => { :relation => @relation } %>
+<%= render :partial => 'relation_members', :locals => { :members => @relation.relation_members } %>