haskell-cabal-bounds: update to 0.8

doCheck = false; remains due to
https://github.com/dan-t/cabal-bounds/issues/3
haskell-sizes: update to 2.3.2
haskell-criterion: re-generate expression with cabal2nix
haskell-aeson-0.7.0.6: re-generate with cabal2nix
haskell-hfsevents: re-generate expression with cabal2nix
haskell-lambdabot-wrapper: properly inherit the meta section from lambdabot
haskell-rethinkdb: disable Hydra builds as this package depends on broken 'protocol-buffers'
haskell-fastcgi: disable Hydra builds as this package depends on broken 'cgi'
haskell-happstack-fastcgi: disable Hydra builds as this package depends on broken 'cgi'
haskell-protocol-buffers-descriptor: disable Hydra builds as this package depends on broken 'protocol-buffers'
haskell-SDL-ttf: disable Hydra builds as this package depends on broken 'SDL'
haskell-SDL-mixer: disable Hydra builds as this package depends on broken 'SDL'
haskell-SDL-image: disable Hydra builds as this package depends on broken 'SDL'
haskell-editline: this package is broken with GHC 7.8.3

We keep it around only for the sake of Haskell Platform 2009.2.0.2.
haskell-diagrams-cairo: jailbreak to fix build with recent cairo, lens, and pango
haskell-hmatrix-special: this package won't compile any more after the hmatrix update
Fixed build for plasma-nm
Merge branch 'upstream' of https://github.com/zalora/nixpkgs

sysdig: update to 0.1.87
Revert "Many minor fixes to get things building after recent compiler changes".

This reverts the Haskell part of commit 326ca0f6900142b1, because these changes
broke the 'scientific' build with GHC 7.4.2.
Add NixOS module for syslog-ng