add package for plib support
package glib: install m4 macros
package gdk-pixbuf: use mxe aclocal macros
package graphicsmagick: relax autoconf version requirement
package fontconfig: disable doc build
Merge pull request #143 from woncount/topics/plib

new package plib
package plib: use $(TARGET)-ar and add update macro placeholder
add list of packages to exclude for freebsd
update package gnutls
update package poppler
Update tools/mxe-activate

gsed isn't really required and isn't available by that name on many linux systems
Update FFmpeg to 1.1.2
New package: opus
ffmpeg: enable opus support
update package openssl
update package cairo
update package gmp
tools/mxe-activate: really fix gsed with portability variable
Merge pull request #144 from alexkay/master

Update FFmpeg and enable opus support
package opus: fix update macro