i9500: Enable use of FFMPEG codecs for extended formats

Change-Id: I549f14bd01b389d44e17836a6106e093724f156f
i9500: optimize mobile data speed
i9500: fstab: remove useless props
i9500: init: optimize some things
i9500: half res bool isn't working with 1080p
i9500: change boot and recovery size

I need to check the correct size
i9500: optimize some other things