Bugfix: Slave zones honour allow transfer

Fix bug where slave zones didn't honour the allow-transfer setting and wrote "none" in the config at all times
we do not need digests for Exchange-peers
add a hint for autodiscover over HTTP
Revert "add a hint for autodiscover over HTTP"

This reverts commit 9485b386dba7a4fbdfbc7941071cd4574f24c91c.
autocreate http-reverse for autodiscover
Upgrade Suricata to 2.0.3 and GUI package to v2.0
Bump Suricata package to version 2.0.3 pkg v2.0
Merge pull request #660 from Onkelborg/master
Bump bind version due to recent changes
fixed bind zone journal out of sync issue when updating zone
Merge pull request #687 from trendchiller/master
Bump squid3 version due to last changes
Add missing comma between values in array declaration.
Bump NRPE for rebuilt PBI
See https://forum.pfsense.org/index.php?topic=80958.0
Improve security handling provided filename values.
Improve HOME_NET and EXTERNAL_NET variable generation.
Fix missing $ sign in front of variable name.
Fix another missed $ symbol in variable name.
Revert $EXTERNAL_NET back to !$HOME_NET for now.
Suricata prefers CIDR masks on HOME_NET and EXTERNAL_NET addresses.