add user email on account created page

app/controllers/users_controller.rb

@@ -220,6 +220,8 @@ class UsersController < ApplicationController
       authentication.finish
       activation.finish
 
+      # save user email in session, to show on account-created page
+      session["user_created_email"] = user.email
 
       render json: {
         success: true,

app/views/users/account_created.html.erb

@@ -1,3 +1,5 @@
 <div id='simple-container'>
-  <span style="font-size: 16px; line-height: 24px;"><%= t 'login.activate_email' %></span>
+  <% if session["user_created_email"] %>
+    <span style="font-size: 16px; line-height: 24px;"><%= t('login.activate_email', email: session["user_created_email"]).html_safe %></span>
+  <% end %>
 </div>

config/locales/server.en.yml

@@ -1087,7 +1087,7 @@ en:
     incorrect_username_email_or_password: "Incorrect username, email or password"
     wait_approval: "Thanks for signing up. We will notify you when your account has been approved."
     active: "Your account is activated and ready to use."
-    activate_email: "You're almost done! We sent an activation mail to the email address you provided. Please follow the instructions in the email to activate your account."
+    activate_email: "<p>You're almost done! We sent an activation mail to <b>%{email}</b>. Please follow the instructions in the email to activate your account.</p><p>If it doesn't arrive, check your spam folder, or try to log in again to send another activation mail.</p>"
     not_activated: "You can't log in yet. We sent an activation email to you. Please follow the instructions in the email to activate your account."
     not_allowed_from_ip_address: "You can't login as %{username} from that IP address."
     suspended: "You can't log in until %{date}."

spec/controllers/users_controller_spec.rb

@@ -356,6 +356,9 @@ describe UsersController do
         post_user
 
         expect(JSON.parse(response.body)['active']).to be_falsey
+
+        # should save user_created_email in session
+        session["user_created_email"].should == @user.email
       end
 
       context "and 'must approve users' site setting is enabled" do
@@ -389,6 +392,9 @@ describe UsersController do
       it 'enqueues a welcome email' do
         User.any_instance.expects(:enqueue_welcome_message).with('welcome_user')
         post_user
+
+        # should save user_created_email in session
+        session["user_created_email"].should == @user.email
       end
 
       it "shows the 'active' message" do
@@ -471,6 +477,9 @@ describe UsersController do
         xhr :post, :create, create_params
         json = JSON::parse(response.body)
         json["success"].should == true
+
+        # should not change the session
+        session["user_created_email"].should be_blank
       end
     end
 
@@ -512,6 +521,9 @@ describe UsersController do
         xhr :post, :create, create_params
         json = JSON::parse(response.body)
         json["success"].should_not == true
+        
+        # should not change the session
+        session["user_created_email"].should be_blank
       end
     end