* lib/PandoraFMS/SNMPServer.pm: Fixed small problem in snmp2agent
forwarding and better implementation of server error control.
Also solved problem with duplicated traps in SNMP console.
* lib/PandoraFMS/Server.pm: better implementation of server error control.
* lib/PandoraFMS/Core.pm: SNMP alerts now show the IP in _agent_ macro
* lib/PandoraFMS/Tools.pm: Better management of enterprise_hook on
opensource version.
* util/alert_multicast.pl: Added sample of alert script for render
alerts as multicast XML.
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@2023 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f