VRFS-1979 show landing page for email confirmation

web/app/controllers/users_controller.rb

@@ -228,9 +228,6 @@ class UsersController < ApplicationController
 
     if !@user.nil? && !@user.errors.any?
       UserMailer.welcome_message(@user).deliver
-      sign_in @user
-      redirect_to :client
-      return
     elsif !@user.nil?
       # new user with validation errors;
       logger.debug("#{@user} has errors. can not sign in until remedied.  #{@user.errors.inspect}")

web/app/views/users/signup_confirm.html.erb

@@ -1,8 +1,7 @@
 <% provide(:title, 'Signup Confirmation') %>
 
 <% if @user.nil? %>
-    <h1>Signup Already Confirmed</h1>
-
+  <h1>Signup Already Confirmed</h1>
   <br/>
   <br/>
   <p>
@@ -13,5 +12,14 @@
     Please proceed to <%= link_to 'the home page', root_path %> and log in.
   </p>
 <% else %>
-  The server had a problem. Please try to confirm your email later.
+  <h1>Email Confirmed</h1>
+  <br/>
+  <br/>
+  <p>
+    You have successfully confirmed this email address.
+  </p>
+  <br/>
+  <p>
+    You can proceed to the website <%= link_to 'home page', root_path %> and sign in, or close this page in your browser.
+  </p>
 <% end %>