new db schema, payload8 fields, socks user, tagger improvements

- New payload8.src, payload8.dst that saves the first 8 bytes of sessions in hex
- New socks.user field (issue #167)
- Tagger supports CIDR and 1 level hostname lookups (issue #160)
- DHT tagging (issue #154)
- stylus > 0.39 fix
- javascript loop length "improvements"