Bump to v0.8.0 (#209)

* Update changelog for v0.8.0

* Update README.md

* Update version.py

README.md

@@ -8,7 +8,7 @@
 [![license](https://img.shields.io/github/license/open-mmlab/mmdetection3d.svg)](https://github.com/open-mmlab/mmdetection3d/blob/master/LICENSE)
 
 
-**News**: We released the codebase v0.7.0.
+**News**: We released the codebase v0.8.0.
 
 Documentation: https://mmdetection3d.readthedocs.io/
 
@@ -56,7 +56,7 @@ This project is released under the [Apache 2.0 license](LICENSE).
 
 ## Changelog
 
-v0.7.0 was released in 1/11/2020.
+v0.8.0 was released in 30/11/2020.
 Please refer to [changelog.md](docs/changelog.md) for details and release history.
 
 ## Benchmark and model zoo

docs/changelog.md

 ## Changelog
 
+### v0.8.0 (30/11/2020)
+
+#### Highlights
+
+- Refactor points structure with more constructive and clearer implementation.
+- Support axis-aligned IoU loss for VoteNet with better performance.
+- Update and enhance [SECOND](https://github.com/open-mmlab/mmdetection3d/tree/master/configs/second) benchmark on Waymo.
+
+#### New Features
+
+- Support axis-aligned IoU loss for VoteNet. (#194)
+- Support points structure for consistent processing of all the point related representation. (#196, #204)
+
+#### Improvements
+
+- Enhance [SECOND](https://github.com/open-mmlab/mmdetection3d/tree/master/configs/second) benchmark on Waymo with stronger baselines. (#166)
+- Add model zoo statistics and polish the documentation. (#201)
+
 ### v0.7.0 (1/11/2020)
 
 #### Highlights

mmdet3d/version.py

 # Copyright (c) Open-MMLab. All rights reserved.
 
-__version__ = '0.7.0'
+__version__ = '0.8.0'
 short_version = __version__