Changes in 5.1.0 Final

1)  Update release documents.

2)  Ignore SUBSYSLOCK when $SERVICEDIR is non-empty

3)  Correct splitting of IP(6)TABLES options.

4)  Allow compact IPv6 addresses in IP6TABLES() parameters.

Changes in 5.1.0 RC 2

1)  Update release documents.

2)  Eliminate use of 'echo' escape sequences

3)  Update kernel module files

Changes in 5.1.0 RC 1

1)  Update release documents.

2)  Move the action files into their own directory.

3)  Add the 'show ipsec' command.

4)  Remove rawpost support.

5)  Add Stateful IPv6 netmapping

Changes in 5.1.0 Beta 2

1)  Update release documents.

2)  Fatal error on empty action file and presense of a file with
    the same name as the action.

3)  Use 'ip xfrm' to dump SPD and SAD

4)  Create CLI symlinks

5)  Correct intra-zone processing in policies.

Changes in 5.1.0 Beta 1

1)  Update release documents.

2)  Unify the CLI

3)  Extend SOURCE/DEST syntax in the rules files

4)  Remove CHAIN_SCRIPT support.

5)  Avoid needless duplicate action chains.

6)  Implement support for NFQUEUE CPU Fanout.
