Improve gwlb.inc notification mechanisms
Improve gwlb.inc notification mechanisms

1) Unlink earlier to reduce the chances of any concurrency issues;
2) Translate and improve output of available notification;
3) While I'm here, fix whitespace and improve PHP syntax.

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