add paragraphs to html emails

Signed-off-by: José Valim <jose.valim@gmail.com>

CHANGELOG.rdoc

@@ -6,6 +6,7 @@
   * You can specify the controller in routes and have specific controllers for each role.
   * Devise.orm is deprecated. This reduces the required API to hook your ORM with devise.
   * Use metal for failure app.
+  * HTML e-mails now have proper formatting.
 
 * deprecations
   * Rails 3 compatible only.

app/views/devise/mailer/confirmation_instructions.html.erb

@@ -1,5 +1,5 @@
-Welcome <%= @resource.email %>!
+<p>Welcome <%= @resource.email %>!</p>
 
-You can confirm your account through the link below:
+<p>You can confirm your account through the link below:</p>
 
-<%= link_to 'Confirm my account', confirmation_url(@resource, :confirmation_token => @resource.confirmation_token) %>
+<p><%= link_to 'Confirm my account', confirmation_url(@resource, :confirmation_token => @resource.confirmation_token) %></p>

app/views/devise/mailer/reset_password_instructions.html.erb

@@ -1,8 +1,8 @@
-Hello <%= @resource.email %>!
+<p>Hello <%= @resource.email %>!</p>
 
-Someone has requested a link to change your password, and you can do this through the link below.
+<p>Someone has requested a link to change your password, and you can do this through the link below.</p>
 
-<%= link_to 'Change my password', edit_password_url(@resource, :reset_password_token => @resource.reset_password_token) %>
+<p><%= link_to 'Change my password', edit_password_url(@resource, :reset_password_token => @resource.reset_password_token) %></p>
 
-If you didn't request this, please ignore this email.
-Your password won't change until you access the link above and create a new one.
+<p>If you didn't request this, please ignore this email.</p>
+<p>Your password won't change until you access the link above and create a new one.</p>

app/views/devise/mailer/unlock_instructions.html.erb

@@ -1,7 +1,7 @@
-Hello <%= @resource.email %>!
+<p>Hello <%= @resource.email %>!</p>
 
-Your account has been locked due to an excessive amount of unsuccessful sign in attempts.
+<p>Your account has been locked due to an excessive amount of unsuccessful sign in attempts.</p>
 
-Click the link below to unlock your account:
+<p>Click the link below to unlock your account:</p>
 
-<%= link_to 'Unlock my account', unlock_url(@resource, :unlock_token => @resource.unlock_token) %>
+<p><%= link_to 'Unlock my account', unlock_url(@resource, :unlock_token => @resource.unlock_token) %></p>