Merge
whitespace/comment fixes
Fixed sw copy logic where printer supports hw copy, but not hw collate.
libcupsfilters: cupsRasterParseIPPOptions() did not set Tumble with "Duplex=DuplexTumble".
libcupsfilters: cupsRasterParseIPPOptions() did not set sRGB color space
pdftops: Completed support for PPD-less printing: Duplex, Resolution, InputSlot, ColorModel
pdftopdf: Take page size from the command line