xpdf page numbering is not zero-based!

xpdf page numbering is not zero-based!

* xpdf/gpdf-view.cc (gpdf_view_key_press_event): xpdf page
numbering is not zero-based!

* xpdf/GfxState.cc (GfxDeviceCMYKColorSpace::getRGB): special case
cmyk k-only colors

* xpdf/GPOutputDev.h: declare drawImage

* xpdf/GPOutputDev.cc (getFontFace): forgot to rename one
font_name to gfont_name; cleanup whitespace in the source
(drawImage): implement. (Does not render output on
GnomePrintPreview older than 2002-06-14)

* shell/gpdf.c (gw_control_load_pdf): s|file://|file:|