Add nvpy, a Simplenote syncing note-taking application
pythonPackages.googlecl: add expression
haskell-language-java: go back to version 0.2.5

This reverts commit 416bd743f086f77f0d0b31e0fcd9edbe80dd0e92. Version 0.2.5.1
seems to have disappeared from Hackage.
haskell-darcs: re-generate expression with recent version of cabal2nix
haskell-HFuse: re-generate expression with recent version of cabal2nix
haskell-ghc-heap-view: re-generate expression with recent version of cabal2nix
haskell-ghc-mod: re-generate expression with recent version of cabal2nix
haskell-ghc-vis: re-generate expression with recent version of cabal2nix
haskell-lhs2tex: re-generate expression with recent version of cabal2nix
mpack: add version 1.6
samba: 3.6.8 -> 3.6.18

Release notes (left column): http://www.samba.org/samba/history/

The GNU/Hurd patch doesn't apply anymore so I dropped it.
Cleaned up ponysay build, and added maintainer metadata.
haskell-git-annex: update to version 4.20130815
haskell-entropy: update to version 0.2.2.2
haskell-hxt-charproperties: update to version 9.1.1.1
haskell-hxt-unicode: update to version 9.0.2.1
haskell-liblastfm: update to version 0.3.0.0
haskell-monadcryptorandom: update to version 0.5.3
haskell-multiarg: update to version 0.18.0.0
haskell-uniplate: update to version 1.6.11