* include/functions_reporting.php, include/functions_agents.php: cleanup
sourcecode, and important optimize, because the old querys was very huge
when the query have consult with all agent ids. That affect when login
as admin into Pandora Console in systems with few resources (more or
less 1Gb RAM in a desktop computer).
* include/functions_db.php: add function "isAllGroups" that test if the
array pass as parameter is all groups in DB, and return true o false. And
cleanup source code.
Fixes: 2824327
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@1949 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
0264c299c6