[arch-dev-public] We need to rebuild ffmpeg, mplayer and x264

[Hugo Doria]

I added a new ToDo on devsite with the rebuild list for x64 and
ffmpeg. I picked all packages according to our website.

Probably there are some other packages that need to be added. I will check this.

If someone find a new package that needs to be rebuilt, please, don't
forget to add to the list.

-- Hugo