haskell-purescript: update to version 0.5.4.1
haskell-regex-applicative: update to version 0.3.0.3
haskell-transformers-base: update to version 0.4.3
haskell-warp: update to version 3.0.0.7
haskell-yesod-test: update to version 1.2.5
haskell-LambdaHack: update to version 0.4.99.0
haskell-Allure: add version 0.4.99.0
haskell-hfsevents: re-generate expression with cabal2nix
pakcs: it appears that upstream changed the source code without bumping the version number
Don't build broken Haskell packages on Hydra.

These packages don't compile:

 - cabal-delete
 - cabal-file-th
 - categories
 - cmdtheline
 - codec-image-devil
 - concurrent-extra
 - cryptol 1.8.x
 - data-lens
 - pakcs

These packages depend on some of the packages listed before:

 - data-lens-template
 - purescript