* include/functions_gis.php: now function "getAgentMap" return true or false
if there is default map or not.
* operation/agentes/gis_view.php, godmode/agentes/agent_conf_gis.php: show
message of error when there isn't a default map
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@2436 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f