Add package netpbm.
Update package eigen.

The update script only found versions 2.x, but 3.x is current.
Add package flann.

This is a prerequisite for PCL (Point Cloud Library).
Add package PCL (Point Cloud Library).
Netpbm: disable code generators.

This avoids building inttypes_netpbm.h with 'typegen'. Since MinGW has
inttypes.h, this header was not used anyway.

Also, we avoid 'endiangen' by generating its trivial output directly in
GNUmakefile.
Merge pull request #92 from marlam/for-upstream

New package proposals.
packages flann netpbm pcl: add update script placeholder
update package glib
update package gdk-pixbuf
add explicit glib2 requirement for macports
update package gstreamer and plugins
package openscenegraph: disable broken plugins
package openscenegraph: use developer releases url as URL_2

This will allow 'make update' to find the latest releases
package vmime: disable sendmail
ocaml packages: fix inconsistent spacing
update package gta
update packages ilmbase openexr
Merge branch 'master' of github.com:mxe/mxe
package plibc: build last to avoid conflicting langinfo.h
package openexr: portability fix for systems using dash as /bin/sh