* include/styles/pandora.css: new style for not found items.
* operation/events/events.php: Add filter to events by group. Changed
style for not found items.
* operation/agentes/estado_agente.php, status_monitor.php,
estado_alertas.php: Add name to filter combo. Changed style for not
found items.
* operation/incidents/incident.php: Changed style for not found items.
* images/cancel.gif: Changed image to one with smaller size.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@296 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
raulmateos
slerena