bump to 0.8.2, symlink clamdscan

Enable Linux daemon functionality.
clamdscan now a dependency
Comments addded

Recommendation: Do NOT edit below user configuration
Update README.md

Dependency added for clamav-daemon/ clamd 
Added freebsd setup script
Fixed supported installations
virus definition update included
clamscan daemon support included

clamav-daemon (clamd) scan comments added
Merge branch '0.8.2'