revert memo lz download <a>(has problems with delete.)

app/views/memos/show.html.erb

@@ -101,9 +101,8 @@
 			<%= raw @memo.content %>
 			<p>							
 				<% if @memo.attachments.any?%>
-				<%# options = {:author => true} %>
-				<%= link_to_memo_attachments @memo, :author => true %>
-				<%#= render :partial => 'attachments/links', :locals => {:attachments => @memo.attachments, :options => options} %>
+				<% options = {:author => true} %>
+				<%= render :partial => 'attachments/links', :locals => {:attachments => @memo.attachments, :options => options} %>
 				<% end %>
 			</p>
 		</div>
@@ -150,7 +149,7 @@
 						<!-- <div class="wiki">< %=h reply.content.html_safe %></div> -->
 						<p>
 							<% if reply.attachments.any?%>
-							<% options = {:author => true} %>
+							<% options = {:author => true, :deletable => true} %>
 							<%= render :partial => 'attachments/links', :locals => {:attachments => reply.attachments, :options => options} %>
 							<% end %>
 						</p>