To use the viewer, you only need to install these packages:

	libjbig2dec
	mupdf
	mupdf-tools (only if you want the command line tool suite)

The other packages are for developers:

	jbig2dec -- command line JBIG2 image decoder
	libjbig2dec-dev -- development package for libjbig2dec
	libmupdf-dev -- development package for mupdf