Final release of Mujoco-py 2.0 (#371)

* Updated README documentation.

* Removed the 'alpha' pre-release version info.

* Fixing pip install command that seems to help with docker build in CI.

* Updating README to the next major version.

Dockerfile

@@ -57,8 +57,8 @@ WORKDIR /mujoco_py
 # expire until we actually change the requirements.
 COPY ./requirements.txt /mujoco_py/
 COPY ./requirements.dev.txt /mujoco_py/
-RUN pip install -r requirements.txt
-RUN pip install -r requirements.dev.txt
+RUN pip install --no-cache-dir -r requirements.txt
+RUN pip install --no-cache-dir -r requirements.dev.txt
 
 # Delay moving in the entire code until the very end.
 ENTRYPOINT ["/mujoco_py/vendor/Xdummy-entrypoint"]

README.md

@@ -19,7 +19,7 @@ The following platforms are currently supported:
 
 The following platforms are DEPRECATED and unsupported:
 
-- Windows support has been DEPRECATED and removed in [2.0.2.0]. One known good past version is [1.50.1.68](https://github.com/openai/mujoco-py/blob/9ea9bb000d6b8551b99f9aa440862e0c7f7b4191/README.md#requirements).
+- Windows support has been DEPRECATED and removed in [2.0.2.0](https://github.com/openai/mujoco-py/releases/tag/v2.0.2.0a1). One known good past version is [1.50.1.68](https://github.com/openai/mujoco-py/blob/9ea9bb000d6b8551b99f9aa440862e0c7f7b4191/README.md#requirements).
 - Python 2 has been DEPRECATED and removed in [1.50.1.0](https://github.com/openai/mujoco-py/releases/tag/1.50.1.0). Python 2 users can stay on the [`0.5` branch](https://github.com/openai/mujoco-py/tree/0.5). The latest release there is [`0.5.7`](https://github.com/openai/mujoco-py/releases/tag/0.5.7) which can be installed with `pip install mujoco-py==0.5.7`.
 
 ### Install MuJoCo

mujoco_py/version.py

@@ -7,7 +7,7 @@
 
 def get_version():
     "Returns the version as a human-format string."
-    return '%d.%d.%d.%da1' % version_info
+    return '%d.%d.%d.%d' % version_info
 
 
 __version__ = get_version()