New colour tools.

   Kovesi.rda [new file]
   Kovesi.Rd  [new file]
      New dataset - perceptually uniform colour sequences

   colourtables.R
   colourtools.Rd
      New function interp.colours

   options.R
      Changed default image colours.

   NEWS
   DESCRIPTION
   spatstat-package.Rd
	updated.
	Acknowledged Peter Kovesi.
Merging things due to insufficient git skills...