Add vo-aacenc package and use it for ffmpeg
Update package opencore-amr
Update package ffmpeg
Add vo-amrwbenc package and enable it for ffmpeg

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
opus + opusfile: do not update to beta

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
opus + opusfile: Sort versions before selecting version for updating

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Update package opus and opusfile

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
Update package libvpx

Signed-off-by: Timothy Gu <timothygu99@gmail.com>
update packages cairo fontconfig glib harfbuzz pango
update package armadillo
update package eigen
update package ffmpeg
update package gdal
update package geos
update package gettext
update package giflib
update package gstreamer and plugins
update package imagemagick
update package libgsf
Makefile: don't exit on failed download (failed checksum will exit)