* include/styles/pandora.css, pandora_red.css: New style with icon
for search.
* include/languages/*.php: New string for alert updating.
* godmode/agentes/*.php: Updated h2 headers.
* operation/agentes/estado_alertas.php, estado_monitores.php,
estado_ultimopaquete.php: Updated h2 headers. Added code for not showing
table headers if no alert defined. Add some icon to input buttons.
* operation/incidents/incident_detail.php, incident_search.php,
operation/messages/message.php, operation/snmpconsole/snmp_alert.php:
Add some icon to input buttons.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@478 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f
d57da3ddad