/**
  * Specify folders to exclude from the rsync
  * For example, you could exclude assets.
  */
 static function set_excluded_folders($folders)
 {
     self::$excluded_folders = $folders;
 }
 /**
  * Set the targets to publish to.
  * @param $targets An array of targets to publish to.  These can either be local file names, or scp-style targets, in the form "user@server:path"
  */
 static function set_targets($targets)
 {
     self::$targets = $targets;
 }