qjackctl: add meta.platforms
drumkv1: update from 0.3.5 to 0.3.6

http://monitor.nixos.org/patch?p=drumkv1&v=0.3.6
haskell-blaze-markup: update to version 0.5.2.1
haskell-ghc-mod: update to version 3.1.5
haskell-shelly: update to version 1.4.1
haskell-snap-core: update to version 0.9.6.0
haskell-snap-server: update to version 0.9.4.0
haskell-snap: update to version 0.13.2.0
haskell-wai-extra: update to version 2.0.2
haskell-warp-tls: update to version 2.0.1
haskell-warp: update to version 2.0.2