Add spanish locales and gravatar options

app/models/user.rb

@@ -6,6 +6,7 @@ class User
   property :name
   property :active_list_id
   property :admin, type: :boolean, default: false
+  property :email_sha256
 
   #FACEBOOK
   property :provider
@@ -26,6 +27,7 @@ class User
 
   validates_uniqueness_of :email
   before_save :ensure_authentication_token
+  before_create :set_email_sha256
 
   #has_many :error_logs
   has_many :user_feedbacks
@@ -150,6 +152,10 @@ class User
     reset_authentication_token! if authentication_token.blank?
   end
 
+  def set_email_sha256
+    self.email_sha256 =  Digest::SHA256.hexdigest email.to_s.strip.downcase
+  end
+
   def self.authentication_token
     SecureRandom.hex(24)
   end