Add oxygen-gtk3 and rename oxygen_gtk to oxygen-gtk2.

oxygen_gtk is still kept for backwards compatibility.
Add Jim Tcl interpreter
jimtcl: remove end dot from description
kde4: added the security patch for CVE-2014-5033 to nixpkgs because it is not available upstream
nodePackages: add support for recursive dependencies

This is a drop-in replacement that handles nodejs recursive dependencies by
propagating already visited nodejs packages and creating shims for recursive
ones. This implementation handles both, new and old npm2nix output format.
iw: 3.14 -> 3.15
Merge pull request #4010 from madjar/master

kde4: added the security patch for CVE-2014-5033 to nixpkgs because it is not available upstream
Support users-groups.json referring to store paths

Fixes #4016.
pythonPackages: add dotfiles, dotfile manager
gecode: add package
pythonPackages.gcutil: fix build
pythonPackages.livestream: use requests2
nixos-rebuild: Don't pass -K by default
Manual: Fix build product
Remove some obsolete platform override in release.nix
gecode: meta information
rbtools: 0.4.1 -> 0.6.1
sshpass: Added expression
gecode: fix meta
Merge pull request #4026 from manveru/gecode

gecode: add package