* Placeholder for pyrobot integration

* update cv2 import to work with pyrobot

* reality implementation first iteration

* pyrobot integration

* black lint

* Handle the case when pyrobot is not installed

* Fix typo

* Remove unused method

* use depth in metres

* Bump sensor, fix cv2 import

* Add missing imports

* Action spaces, render, agent_state

* Black and isort

* make black happy

* Remove empty line

* Documentation

* Documentation and README update

* black and isort

* Fix black error

Weirdly my local black was not able to make this change, unlike the black in CI

* Make isort happy

* run isort

* Mock test for pyrobot

* Rename SimulatorAction to SimulatorTaskAction

* Move SimulatorActions from core to habitat_sim

* Rename SimulatorActions to HabitatSimActions, modify pyrobot test

* Update mock tests

* black and isort

* Use import sort order suggested by circleci server

Note that running the same version of isort on my devserver gives different results

* Address review comments

* Use try for importing tasks and data

This will go away when we implement an abstract class for SimulatorActions

* Rename nav_task and eqa_task usage to nav and eqa respectively

* black and isort

* Address review comments

* fix typo