Merge commit 'ceb754d0'

* commit 'ceb754d0':
  lzo: Use AV_COPY*U macros where appropriate
  prepare 9_beta2 release
  dsputil: Replace AV_WNxx(AV_RNxx()) combinations by AV_COPYxxU
  intreadwrite: Add AV_COPYxxU macros for copying to/from unaligned addresses
  dxtory: Replace AV_WN16A(AV_RN16A()) combination by AV_COPY16
  mp3: properly forward mp_decode_frame errors

Conflicts:
	RELEASE
	libavcodec/mpegaudiodec.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>