Adds hplayground, needs hastePerch
Add haste-perch for hplayground
Regenerate few packages with cabal2nix
haskell-rest-core: jailbreak
haskell-rest-gen: jailbreak
Merge pull request #3561 from Fuuzetsu/haskell-updates

Jailbreak some rest packages
Add haskell-formatting-5.2
Merge pull request #3564 from ttuegel/haskell

Add haskell-formatting-5.2
Merge pull request #3555 from tomberek/haskell_hplayground

Haskell hplayground
add HaskellNet
Merge pull request #3567 from phunehehe/haskellnet

add HaskellNet
pdfgrep: added a nice util to search in pdf files
Merge pull request #3568 from qknight/pdfgrep

pdfgrep: added a nice util to search in pdf files