optional config for teamviewer
elasticsearchPlugins.elasticsearch_river_twitter: added package
Update firefox-bin to 33.0.2
KDevelop: Add some propagatedUserEnvPkgs dependencies.
Now KDevelop should start in a functional form without having to
manually install those.
webkitgtk: 2.6.1 -> 2.6.2
stdenv: Prevent issues like #4266

Don't preserve hardlinks, and instead use reflinks if they're available.
Merge remote-tracking branch 'origin/master' into staging.
Merge pull request #4738 from k0ral/webkitgtk

webkitgtk: 2.6.1 -> 2.6.2
guile-sdl: new package
guile: 2.0.9 -> 2.0.11
badvpn: Add debug flag to enable assertions.
libgpg-error: fix patch no longer applying, refactor
scala: fix the sha256 checksum from https://github.com/NixOS/nixpkgs/pull/4753
haskell-purescript: re-generate with cabal2nix
haskell-serialport: re-generate with cabal2nix
haskell-th-reify-many: add version 0.1.2
haskell-hmatrix-gsl: add version 0.16.0.2
haskell-scientific: update to version 0.3.3.2
haskell-MonadRandom: add version 0.3
haskell-text: add version 1.2.0.0