Big changes

• Tetra struct was removed.
  This struct had become a god object and was difficult to maintain. Removing this will make splitting Tetra's bot functionality up into smaller packages easier.
• bot/script: flatten tetra.bot into tetra
• Tetra now uses Godep for dependency management

Additions

• start to break the script functionality out into its own package
• Move crypto functions that the lua scripts call into a package
• Set Tetra to only process one line at a time
• bot/script: document crypto.fnv
• bot/script: add debug and debugf functions for scripts to use
• bot/script: rotate FNV hash on each iteration
• Zuul, the gatekeeper added:
  • Add zuul's INFO help file
  • zuul/anontor: use more freenode-like hashing
  • zuul/anontor: re-add slashes
  • zuul/anontor: better make each connected user unique
  • Add first service of Zuul, management of anonymous tor gateways
• modules/tetra: add hostservpolicy module

Bugfixes

• tetra/core/encap: disable metadata collection for now
• tetra/core/modules: fix accidental attempt to call a table
• mongblocker/spamscan: remove debugging code
• bot/clients: delete correctly
• Dockerfile: update depenencies
• Fix SERVICELOG hooks running
• tetra/hostserv: change to a simpler hook relayer