Update mac addresses list
library property to etterlog and etterfilter executable
Merge pull request #585 from koeppea/linkerfix

Fix library property for etterfilter and etterlog
fix sporadic segfault when scanning for hosts
fix race condition while scanning for hosts
avoid deadlock if the scan is interrupted
Implement dedicated mutex for UI initiated calls
enable threading for host scanning in Curses UI
Add an INSTANT_USER_MSG in case of ipv6 probe cancelled
Remove probable fixed old MINGW hack (disable scan threads on MINGW)