* make baselines run without mpi wip
* squash-merged latest master
* further removing MPI references where unnecessary
* more MPI removal
* syntax and flake8
* MpiAdam becomes regular Adam if Mpi not present
* autopep8
* add assertion to test in mpi_adam; fix trpo_mpi failure without MPI on cartpole
* mpiless ddpg
* exported rl-algs
* more stuff from rl-algs
* run slow tests
* re-exported rl_algs
* re-exported rl_algs - fixed problems with serialization test and test_cartpole
* replaced atari_arg_parser with common_arg_parser
* run.py can run algos from both baselines and rl_algs
* added approximate humanoid reward with ppo2 into the README for reference
* dummy commit to RUN BENCHMARKS
* dummy commit to RUN BENCHMARKS
* dummy commit to RUN BENCHMARKS
* dummy commit to RUN BENCHMARKS
* very dummy commit to RUN BENCHMARKS
* serialize variables as a dict, not as a list
* running_mean_std uses tensorflow variables
* fixed import in vec_normalize
* dummy commit to RUN BENCHMARKS
* dummy commit to RUN BENCHMARKS
* flake8 complaints
* save all variables to make sure we save the vec_normalize normalization
* benchmarks on ppo2 only RUN BENCHMARKS
* make_atari_env compatible with mpi
* run ppo_mpi benchmarks only RUN BENCHMARKS
* hardcode names of retro environments
* add defaults
* changed default ppo2 lr schedule to linear RUN BENCHMARKS
* non-tf normalization benchmark RUN BENCHMARKS
* use ncpu=1 for mujoco sessions - gives a bit of a performance speedup
* reverted running_mean_std to user property decorators for mean, var, count
* reverted VecNormalize to use RunningMeanStd (no tf)
* reverted VecNormalize to use RunningMeanStd (no tf)
* profiling wip
* use VecNormalize with regular RunningMeanStd
* added acer runner (missing import)
* flake8 complaints
* added a note in README about TfRunningMeanStd and serialization of VecNormalize
* dummy commit to RUN BENCHMARKS
* merged benchmarks branch
* simple .travis.yml file
* added static syntax checks of common to .travis.yml
* dockerizing the build
* fix Dockerfile, adding build shield
* cleaning up workdir in Dockerfile and .travis.yml
* .travis.yml fixed common -> baselines/common for style check
