Fix location of banner file for ipsec and also sprinkle some unset to avoid php keeping data in memory
Fix location of banner file for ipsec and also sprinkle some unset to avoid php keeping data in memory

dennypage/pfsense,pfsense/pfsense,NOYB/pfsense,brunostein/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,pfsense/pfsense,ptorsten/pfsense,dennypage/pfsense,phil-davis/pfsense,brunostein/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,jxmx/pfsense,BlackstarGroup/pfsense,brunostein/pfsense,pfsense/pfsense,BlackstarGroup/pfsense,ch1c4um/pfsense,jxmx/pfsense,ch1c4um/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,NOYB/pfsense,NewEraCracker/pfsense,NOYB/pfsense,jxmx/pfsense,phil-davis/pfsense,ptorsten/pfsense,ch1c4um/pfsense,pfsense/pfsense,ch1c4um/pfsense