add link on user profile to send them a message (kind of ugly)

app/controllers/messages_controller.rb

@@ -4,6 +4,10 @@ class MessagesController < ApplicationController
 
   def index
     @new_message = Message.new
+
+    if params[:to]
+      @new_message.recipient_username = params[:to]
+    end
   end
 
   def create

app/views/users/show.html.erb

@@ -1,7 +1,10 @@
 <div class="box wide">
-	<div class="legend">
-		<%= @showing_user.username %>
-	</div>
+  <div class="legend">
+    <%= @showing_user.username %>
+    <% if @user %>
+      (<a href="/messages?to=<%= @showing_user.username %>">Send a Message</a>)
+    <% end %>
+  </div>
 
   <label class="required">Status:</label>
   <span class="d">