#1 Some fixes and rewrite of divert code

[Cedric Clerget]

/* Fixes */
- support multiple rules on same port
- rewrite and remove some code
- write iptables code, core code in one file and make
core modular
- add iptables verdict support for divert rules

Tested on 2.4.27 and 2.4.31

[Cedric Clerget]

Fixes 2.4

[Nobody/Anonymous]

Logged In: NO

Can compile as module but require kernel patch to export
some symbols