Merge "VP10: Add palette mode part 1"

diff --cc vp10/common/entropymode.c
Simple merge

diff --cc vp10/common/entropymode.h
Simple merge

diff --cc vp10/decoder/decodeframe.c
Simple merge

diff --cc vp10/decoder/decodemv.c
Simple merge

diff --cc vp10/encoder/bitstream.c
Simple merge

diff --cc vp10/encoder/encodeframe.c
Simple merge

diff --cc vp10/encoder/encoder.c
Simple merge

diff --cc vp10/encoder/encoder.h
Simple merge

diff --cc vp10/encoder/rdopt.c
Simple merge