haskell-CouchDB: re-generate with cabal2nix
haskell-HFuse: update to version 0.2.4.3
haskell-criterion: update to version 1.0.0.2
haskell-dns: update to version 1.4.2
haskell-hspec-meta: update to version 1.11.1
haskell-hspec: update to version 1.11.1
haskell-persistent-template: update to version 1.3.2.2
haskell-stringbuilder: update to version 0.5.0
haskell-tagsoup: update to version 0.13.2
haskell-twitter-conduit: update to version 0.0.5.4
haskell-twitter-types: update to version 0.4.20140809
haskell-aeson: update to version 0.8.x
haskell-aeson-utils: jailbreak to fix build with aeson 0.8.x

https://github.com/silkapp/aeson-utils/issues/1
haskell-token-utils: remove broken package until it supports GHC 7.8.3

https://github.com/alanz/haskell-token-utils/issues/1#issuecomment-51681623
HaRe: remove broken package until it supports GHC 7.8.3
haskell-fay: build with aeson 0.7.x to fix build errors
haskell-hoauth2: jailbreak to fix build with aeson 0.8.x
haskell-haxl: jailbreak to fix build with aeson 0.8.x
haskell-engine-io: jailbreak to fix build with aeson 0.8.x
haskell-ekg: jailbreak to fix build with aeson 0.8.x