update Spanish translation

 * manual/programs/index.xml.es, manual/invoking.xml.es, manual/stopping.xml.es:
   sync with English version

 * manual/server-wide.xml.es: new translation

Submitted by: Jesús Blanco <blanco bitrock.com>
Reviewed by: Daniel López


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.0.x@149048 13f79535-47bb-0310-9956-ffa450edef68