* Add README.md to comply with spec -
    see feature "org"

What works:

  * Print to brother4040 PDF 1.3 files from USB stick
  * Print to brother4570 (any?) PDF files from USB stick

Pending:

  * Print to brother4040 from network
  * Print to brother4570 from network
    + Test which print spool works
  * Print color-managed to brother4570 from network
  * Document how to print
    + Cancel failed/hanging print job in CUPS
  * Document how to color calibrate printer

What doesn't work

  * exporting odt file to pdf (directly to pdf) and printing from USB stick
  * exporting odt file to PDF/A-1b and printing from USB stick
  * exporting odt file to PDF/A-1b, converting it to PDF 1.3 prepress gray with localpstopdf13prepressgray and printing from USB stick