* ajax.php: added the autologin hash for some ajax call of user
without login (but with hash autologin).
* godmode/reporting/reporting_builder.list_items.php,
include/db/mysql.php: cleaned source code style.
* include/functions_reporting.php, include/functions_events.php,
operation/reporting/reporting_xml.php: optimized the get by steps
the group events.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@7588 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f