Merge "Adding error-concealment to the decoder."

configure

examples.mk

examples/decode_with_partial_drops.txt

examples/decoder_tmpl.c

vp8/common/alloccommon.c

vp8/common/onyxc_int.h

vp8/common/onyxd.h

vp8/decoder/decodemv.c

vp8/decoder/decodframe.c

vp8/decoder/ec_types.h

vp8/decoder/error_concealment.c

vp8/decoder/error_concealment.h

vp8/decoder/onyxd_if.c

vp8/decoder/onyxd_int.h

vp8/vp8_dx_iface.c

vp8/vp8dx.mk

vpx/src/vpx_decoder.c

vpx/vpx_decoder.h

vpxdec.c