Merge pull request #463 from cpi-cecko/master

Adds the lazy pirate pattern examples in Haskell
Fixed bug in GSL (index += 1 in wrong place).
mdp_worker.md changed because of the fix in specs.gsl
Merge pull request #464 from ajanicij/master

Fixed bug in GSL (index += 1 in wrong place).
Removing superfluous forever from peering2 Haskell example.
Adding peering3 Haskell example.
Merge branch 'master' of git://github.com/imatix/zguide
Adding request-reply examples rrbroker, rrclient, and rrworker for OCaml.
Merge pull request #465 from WraithM/master

Adding peering3 example for Haskell
Adding tasksink2 and taskwork2 to OCaml examples.
Merge pull request #466 from WraithM/master

Adding tasksink2 and taskwork2 to OCaml examples.
Replaced 0MQ with ZeroMQ
Updated Guide
Updated Node.js examples
fixes syntax error in lpserver.hs
adds the simple pirate queue/worker
updates the zguide package