* run ddpg on Mujoco benchmark RUN BENCHMARKS
* autopep8
* fixed all syntax in refactored ddpg
* a little bit more refactoring
* autopep8
* identity test with ddpg WIP
* enable test_identity with ddpg
* refactored ddpg RUN BENCHMARKS
* autopep8
* include ddpg into style check
* fixing tests RUN BENCHMARKS
* set default seed to None RUN BENCHMARKS
* run tests and benchmarks in separate buildkite steps RUN BENCHMARKS
* cleanup pdb usage
* flake8 and cleanups
* re-enabled all benchmarks in run-benchmarks-new.py
* flake8 complaints
* deepq model builder compatible with network functions returning single tensor
* remove ddpg test with test_discrete_identity
* make ppo_metal use make_vec_env instead of make_atari_env
* make ppo_metal use make_vec_env instead of make_atari_env
* fixed syntax in ppo_metal.run_atari
* refactor acktr
* setup.cfg now tests style/syntax in acktr as well
* flake8 complaints
* added note about continuous action spaces for acktr into the README.md
