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>
Merge branch 'master' of github.com:TimothyGu/mxe into TimothyGu-master

Conflicts:
	src/ffmpeg.mk
package opusfile: remove patches after update