Updated email messaging of Auth modules to use the CMS_API.process_email (..) system.

as a consequence, removed usage of email_service library.
Updated the meaning for site.email to be sender email addressed.
Added notification.email to set the email address that will received system email notification.

examples/demo/site/config/cms.ini

@@ -4,13 +4,26 @@ root-dir=site/www
 #modules-dir=site/modules
 
 [site]
+# Name of the site, for the title, and eventual message.
 name=Eiffel CMS
-email=your@email.com
+
+# Email used for notification
+email=noreply@example.com
+
+# Name of website theme. 
 theme=bootstrap
 
+[notification]
+# By default, notification.email = site.email
+# you can change here the email that will receive internal messages.
+#email=notif@example.com
+
 [mailer]
+#The mailer is used mostly used by the CMS to send email messages.
+# you can change the "From:" by  setting mailer.from value"
+#from=...
 #smtp=localhost:25
-#sendmail=/usr/bin/sendmail
+#sendmail=site\bin\roc_sendmail.bat
 output=@stderr
 
 [modules]