Log Message:
update jasper to 1.600.0

pkgsrc changes:
	fix include files -- they used autoconf HAVE_XXX defines

Changes:
	- The support for the JP2 format has been improved.
	- The support for the PNM family of formats has been improved (and
	  should now be truly complete).
	- Numerous other minor bugs have been fixed.

[The new program jiv (jasper image viewer) is disabled, since it
needs X11 and OpenGL.  It will be commited as a separate package.]