Changes since 1.4.10

1) Remove 'unclean' support.

2) Remove NAT_BEFORE_RULES.

3) Remove HAVEROUTE column from ProxyARP.

4) Change default for ALL INTERFACES in /etc/shorewall/nat.

5) Rename the product to Shorewall2.

6) Remove common chain.

7) Add default action mechanism.

8) Add USER/GROUP column to /etc/shorewall2/action.template.

9) Get installer/uninstaller to work.

10) Restore HAVEROUTE and add PERSISTENT column to the proxy arp file.

11) Install correct init script on Debian.

12) Get the attention of 'logunclean' and 'dropunclean' users.

13) Replace all instances of `...` with $(...) for readability.

14) Add action.AllowSNMP

15) Move some code from firewall to functions

16) Removed the DropBcast and DropNonSyn actions and replaced them with
    builtin actions dropBcast and dropNonSyn.

17) Make "trace" a synonym for "debug"

18) Add the ":noah" option to IPSEC tunnels.