Merge "more cleanup of vp8 and vp9" into nextgenv2

configure

examples.mk

examples/lossless_encoder.c

examples/postproc.c

examples/vpxcx_set_ref.c

test/altref_test.cc

test/blockiness_test.cc

test/consistency_test.cc

test/datarate_test.cc

test/decode_api_test.cc

test/encode_test_driver.cc

test/postproc.sh

test/test-data.mk

test/test-data.sha1

test/test.mk

test/test_vector_test.cc

test/test_vectors.cc

test/test_vectors.h

test/tools_common.sh

usage.dox