modified version for release (flow-project#705)

Merge pull request flow-project#647 from flow-project/fix-grid-scenario

Quick fix grid scenario

Merge pull request flow-project#517 from flow-project/time_space_diagram

Time space diagram

- added a method for plotting time-space diagrams
- using the time-space diagrams to modify the vehicle parameters in the simulations to match expected behaviors in new sumo (more on this to come)
- tests for the new time-space diagram plotter

Merge pull request flow-project#441 from kjang96/visualizer_fix

Minor fixes

modified version to freeze for renderer (flow-project#286)

Addressing issue 145 (flow-project#160)

* Addressing issue 145

* Fixed setup script env_params to reflect new changes

* Fixed pep8 issues

* Added new green_wave_env requirements to rllib/green_wave.py

* Added new env params to the benchmark experiments as well

* Added env params to baseline as well. nose2 not passing for some figure_eight scenarios

using environemnt.yml instead of requirements.txt