Replaced IndexController by Home- and FoodcoopController. Some reorganizing in groups/memberships-logic (moved memberships out of admin-namespace).

app/views/shared/memberships/_current_members.rhtml

@@ -0,0 +1,21 @@
+<% if flash[:error] %>
+  <h3 class="error" id="flashError" ><%= flash[:error] %></h3>
+  <%= javascript_tag("new Effect.Highlight('flashError', {delay:0.8, duration:1});") -%>
+<% end %>
+
+<% memberships = @group.memberships 
+   if memberships.size != 0 %>
+<ul style="">
+    <% for membership in memberships %>
+      <li style="margin-left:-15px">
+        <b><%= membership.user.nick %></b> (<%=h membership.user.first_name + ' ' + membership.user.last_name %>)
+         | <%= link_to_remote 'entfernen', 
+                :url => { :controller => '/memberships', :action => 'drop_member', :group_id => @group, :membership_id => membership },
+                :before => "Element.show('loader')",
+                :success => "Element.hide('loader')" %>
+       </li>
+    <% end %>
+</ul>
+  <% else %>
+<p><i><%= @group.name %> hat keine Mitglieder.</i></p>
+  <% end %>

app/views/shared/memberships/_members.rhtml

@@ -0,0 +1,24 @@
+<h1>Mitglieder von <%=h @group.name %></h1>
+<p>
+    <i>
+      Hier kannst Du die Mitglieder der Gruppe verwalten oder ein neues Foodcoop-Mitglied in die Gruppe
+      <%= link_to('einladen', :controller => '/foodcoop', :action => 'invite', :id => @group) %>.
+    </i>
+</p>
+<div class="left_column" style="width:48%">
+    <div class="box_title">
+        <h2>Sind schon Mitglieder</h2>
+    </div>
+    <div class="column_content" id="members">
+        <%=render :partial => 'shared/memberships/current_members' %>
+    </div>
+</div>
+<div class="right_column" style="width:48%">
+    <div class="box_title">
+        <h2>Sind noch keine Mitglieder</h2>
+    </div>
+    <div class="column_content" id="non_members">
+        <%= render :partial => 'shared/memberships/non_members' %>
+		<%= link_to('Person einladen', :controller => '/foodcoop', :action => 'invite', :id => @group) %>
+    </div>
+</div>

app/views/shared/memberships/_non_members.rhtml

@@ -0,0 +1,11 @@
+<ul>
+ <% for user in @group.non_members %>
+  <li>
+    <b><%= user.nick %></b> (<%=h user.first_name + ' ' + user.last_name %>)
+    | <%= link_to_remote 'hinzufügen', 
+        :url => { :controller => '/memberships', :action => 'add_member', :group_id => @group, :user_id => user },
+        :before => "Element.show('loader')",
+        :success => "Element.hide('loader')" %>
+  </li>
+ <% end %>
+</ul>