* Fix CPPLint issues in lstm_cpu_kernel.h

* Fix CPPLint issues in math/math_function_test

* Fix CPPLint issues in math/math_function_test

* Fix CPPLint issues in math/concat.cc

* Fix CPPLint issues in math/concat.cc

* Fix CPPLint issues in math/concat.cc

* Fix CPPLint issues in math/gru_cpu_kernel

* Fix CPPLint issues in math/selected_rows_functor_test.cu

* Fix compile error

* Fix compile error

* Build: simplify travis CI script.

* Add linkcheck and run gen_doc in host machine not in docker.

* Add LinkCheck python package.

Update Intel AUTHORS.md

fix build: cuda_helper.h not found

* "re-commit "

* "picked up"

* "fix ci"

* "fix pdb hang up issue in cuda 9"

* "fix cuda9 error"

* "change commit id"

* "remote git tag"

Add FLAGS_cudnn_algo_use_autotune

Added kernel to Beam Search OP

Update AUTHORS.md

Update AUTHORS.md

Merge branch 'develop' of https://github.com/PaddlePaddle/Paddle into add_FLAGS_use_deterministic_algo

Feature/change assign op

Add comments and polish code

force clean up process when no_clean_up is set true

* Fix CPPLint errors

* Fix CPPLint errors in sequence2batch

* Fix compilation

* Fix LSTM op and GRU op

* Fix LSTMP op

* Fix more cpplint errors in operators/math

* Address Code review feedback

fix nccl2 version in manylinux devel docker image

Clean memcpy async

fix mac compile errors

Fix unittests