Merge pull request #433 from bmeeks8/master

Snort Packge Update to ver 2.5.7 - Bug fixes and new features
Dansguardian - fix typos and include more check to install process.
Fix whitespace and indent
conf_mount_r* are called inside unbound_initial_setup
Make sure filesystem is read/write when try to save unbound config, it helps ticket #2817
Bump unbound to 1.4.20_1
Bump unbound binaries up to 1.4.20, too
Fix minor HTML property bug for textarea controls on Chrome
Revert log msg back to iface descr instead of if_real.