buildNodePackage: add shell hook for development
nixos/znc-service: don't use types.string (it's deprecated)

Apart from s/types.string/types.str/ (or types.lines where appropriate):

* port is changed from string to int.

* extraFlags is changed from types.string (with unfortunate merge
  semantics) into a list of strings. A list of strings merge better:
  one space is added between elements.
ncmpc: updated to version 0.23.
Package for Open Sans fonts.
Consistently use the package name opensans-ttf everywhere.
Merge remote-tracking branch 'upstream/master'
Add virtualenvwrapper and its dependencies
Add SpiderOak secure backup service.
fix icu4c build on darwin
added snes9x-gtk with pulseaudio support
Merge remote-tracking branch 'upstream/master'
README for building the nixos manual
Merge pull request #3318 from joelteon/master

Fix icu4c build on darwin
emacs: Remove 23.x
emacs24Macport: Mark as lowPrio
llvm: Removed unused versions 3.1 and 3.2
Re-generate Haskell packages with cabal2nix.
haskell-stylish-haskell: update to version 0.5.10.1
haskell-parsers: switch to version 0.12
haskell-HUnit-approx: add version 1.0