nix-prefetch-git: remove unneeded semicolons

Shell isn't Perl ;-)
cran-packages: update all packages to their respecitve latest version
haskell: update imm to 0.6.0.3
Merge pull request #4764 from bergey/imm

haskell: update imm to 0.6.0.3
grsecurity: Update stable and test patches

stable: 3.0-3.14.22-201410250026 -> 3.0-3.14.23-201410312212
test:   3.0-3.17.1-201410281754  -> 3.0-3.17.2-201410312213
haskell-cabal2nix: update to version 1.71
Added Igor Pashev <pashev.igor@gmail.com>
Added pxz
Merge pull request #4765 from ip1981/master

Added pxz
Merge https://github.com/NixOS/nixpkgs