Add #include "../lib/version.h" for where it was needed (how did these modules compile?!)

Add #include "../lib/version.h" for where it was needed (how did these modules compile?!)
Patricia stuff looks ok, except the following (at least) is still broken:
  T, P, play, geoip

Added GPL warnings to GeoIP, probably fine as it's a module if we LGPL/BSD/GPL the core.
Added warnings to the irc_ipv6.c, this is GPL'ed and part of the core so probably needs replacing/relicensing.