* config_process.php, pandoradb_data.sql, setup.php: Added global
"sla_period" for default Monitor SLA calculation (in sec).
* estado_monitores.php: By default now shows a SLA based on "sla_period"
period.
* networkmap.php: Fixed layout to use overlap in all modes using different
techniques, depending on graph type. Tested with different map layouts in
size, topology and dimension.
* agent_manager.php: Agent names are now show in order.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@910 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f