* Daylight Saving changes:
- enabled on server auto.DST.xml configuration for phones
- added new autoDST.xml file to fusionpbx server
- corrected autoDST.xml, addde balkans countries
* Fixed the yealink_auto_dst_url name to fix the syntax problem.
* Rename AutoDST.xml to auto_dst.xml
* Update app_config.php
* Update auto_dst.xml
Co-authored-by: FusionPBX <markjcrane@gmail.com>