cocos 0.6.9 released

[claudio canepa]

November 7, 2020 cocos2d 0.6.9 available from pypi, https://pypi.python.org/pypi/cocos2d/0.6.9"

- fix samples/tetrico no sound defect due to pyglet 1.5.8 changes
- Fix tiles crash in py39 due to xml removed method
- euclid bugfixes and two new methods for Vector2: angle_oriented and determinant
- Eliminated ugly black padding when resizing a window created with autoscale=True
- Refactor window geometry info in director; also get_window_size now returns real size if autoscale==False
- Removed deprecated features in Director, see compatibility notes in the docs
- tmx map can use tilesets with an image per tile (WIP, may need adjustments in layer)
- All tmx properties are parsed and loaded with the correct types
- Fix handling paths in tmx files, covered map to tileset to image

The cocos website now lives at http://los-cocos.github.io/cocos-site/
See the changelog at https://raw.githubusercontent.com/los-cocos/cocos/master/CHANGELOG"
See http://los-cocos.github.io/cocos-site/doc/index.html#compatibility-notes if you have code using cocos2d