* We don't fail if we can't load a plugin. There can be anything.
* Reintroduce the command line parser from glib.
* Use fstatat as it is more reliable than d_type from dirent.

Conflicts:
	render.h

Updated to mupdf 0.8

Conflicts:
	config.mk
	ft/pdf-mupdf/pdf.h
	ft/pdf-poppler/pdf.c
	ft/pdf-poppler/pdf.h
	ft/pdf/pdf.h