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
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/install-grub: Read correct mountpoints