Allow users to change their email address. Closes #546.

app/views/notifier/email_confirm.text.html.rhtml

@@ -0,0 +1,8 @@
+<p>Hi,</p>
+
+<p>Someone (hopefully you) would like to change their email address over at
+   <%= SERVER_URL %> to <%= @address %>.</p>
+
+<p>If this is you, please click the link below to confirm the change.</p>
+
+<p><a href="<%= @url %>"><%= @url %></a></p>

app/views/notifier/email_confirm.text.plain.rhtml

@@ -0,0 +1,8 @@
+Hi,
+
+Someone (hopefully you) would like to change their email address over at
+<%= SERVER_URL %> to <%= @address %>.
+
+If this is you, please click the link below to confirm the change.
+
+<%= @url %>

app/views/user/account.rhtml

@@ -2,7 +2,7 @@
 <%= error_messages_for 'user' %>
 <% form_for :user, @user do |f| %>
 <table style="width : 100%">
-  <tr><td>Email</td><td><%= @user.email %></td></tr>
+  <tr><td>Email</td><td><%= f.text_field :email %></td></tr>
   <tr><td>Mapper since</td><td><%= @user.creation_time %> (<%= time_ago_in_words(@user.creation_time) %> ago)</td></tr>
   <tr><td>Display Name</td><td><%= f.text_field :display_name %></td></tr>
   <tr><td>Password</td><td><%= f.password_field :pass_crypt, {:value => '', :size => 50, :maxlength => 255} %></td></tr>

app/views/user/confirm_email.rhtml

@@ -0,0 +1,8 @@
+<h1>Confirm a change of email address</h1>
+
+<p>Press the confirm button below to confirm your new email address.</p>
+
+<form method="post">
+<input type="hidden" name="confirm_string" value="<%= params[:confirm_string] %>">
+<input type="submit" name="confirm_action" value="Confrm">
+</form>