Merge pull request supercollider#4299 from supercollider/3.10

3.10 -> master

Merge pull request supercollider#4286 from snappizz/topic/3.10.2-rc1

Bump version to 3.10.2-rc1

Merge pull request supercollider#4258 from supercollider/3.10

3.10 -> master

Merge pull request supercollider#4208 from supercollider/topic/cookie…

…-fixes

various fixes to support cookiecutter repo

Merge pull request supercollider#4169 from supercollider/3.10

3.10 -> master

Merge pull request supercollider#4151 from snappizz/topic/3.10.0-rc1

Bump SCVersion.txt to 3.10.0-rc1

Merge pull request supercollider#4052 from snappizz/3.10

Bump version and update changelog for 3.10.0-beta2

Merge pull request supercollider#3993 from snappizz/topic/changelog

[help] Add 3.10.0-beta1 changelog

Merge pull request supercollider#3648 from supercollider/3.9

Merge 3.9 into master

Merge pull request supercollider#3595 from supercollider/3.9

Merge 3.9 into master