updated wkhtmltopdf and use patched qt

With stock version of qt4 wkthmltopdf lacks a lot of features, including:
  * Running without an X11 server
  * Printing more then one HTML document into a PDF file
  * Adding a document outline to the PDF file
  * Adding headers and footers to the PDF file
  * Generating a table of contents
  * Adding links in the generated PDF file
  * Printing using the screen media-type
  * Disabling the smart shrink feature of webkit
Elixir and rebar aren't Linux-specific tools

Widen platform support to all unix
Merge pull request #3954 from wjlroe/elixir-for-unix

Elixir and rebar aren't Linux-specific tools
nixos: docker, create docker group
nixos-option: enable all flags by default and make output a bit readable cc @nbp
move ike to applications/networking folder
nspr: Update to 4.10.7
nss: Update to 3.16.4
firefox: Update to 32.0
nixos-install: set umask 0022
nixos-install: use absolute path when running passwd in chroot
Merge pull request #3841 from monocell/wkhtml-update

updated wkhtmltopdf and use patched qt
bsd-games: fixed path to dictionary
due to the update of miscfiles, see 4cf191a42530cce961b445b40243c3deb9fc4a7c
Add JohnTheRipper, a fast password cracker
docker: add xz to PATH, make importing from archives work
nixos/utils: Don't remove first character if not a /
Merge pull request #3962 from wkennington/master.iffix

nixos/utils: Don't remove first character if not a /
nixos nat: add type for sourcePort and destination of forwardPorts
Fix QScintilla source