* operation/agentes/ver_agente.php: fix the show icon agent view.
* images/gis_map/icons/dot_bad.png, images/gis_map/icons/dot_ok.png,
images/gis_map/icons/dot.png, images/gis_map/icons/dot_warning.png: add one
more icons for agent in GIS system.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@2329 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f