* include/functions_agents.php: added parameter $where for SQL in function
"get_agent_alerts_compound".
* operation/agentes/alerts_status.php: use the new free search for filter
the rows of alerts.
* operation/agentes/alerts_status.functions.php: added parameter in the
function "printFormFilterAlert", the parameter $free_search and add
input text control for free search.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@2543 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f