Update ethash Godeps files

Godeps/Godeps.json

Godeps/_workspace/src/github.com/ethereum/ethash/.travis.yml

Godeps/_workspace/src/github.com/ethereum/ethash/README.md

...ps/_workspace/src/github.com/ethereum/ethash/appveyor.yml

Godeps/_workspace/src/github.com/ethereum/ethash/ethash.go

.../_workspace/src/github.com/ethereum/ethash/ethash_test.go

Godeps/_workspace/src/github.com/ethereum/ethash/ethashc.go

Godeps/_workspace/src/github.com/ethereum/ethash/setup.py

...c/github.com/ethereum/ethash/src/benchmark/CMakeLists.txt

...rc/github.com/ethereum/ethash/src/benchmark/benchmark.cpp

...ithub.com/ethereum/ethash/src/libethash-cl/CMakeLists.txt

....com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.cpp

...ub.com/ethereum/ethash/src/libethash-cl/ethash_cl_miner.h

...thereum/ethash/src/libethash-cl/ethash_cl_miner_kernel.cl

...c/github.com/ethereum/ethash/src/libethash/CMakeLists.txt

...src/github.com/ethereum/ethash/src/libethash/data_sizes.h

...ace/src/github.com/ethereum/ethash/src/libethash/endian.h

...ace/src/github.com/ethereum/ethash/src/libethash/ethash.h

...kspace/src/github.com/ethereum/ethash/src/libethash/fnv.h

...e/src/github.com/ethereum/ethash/src/libethash/internal.c