Release 2.3.2 (jashkenas#5110)

* Bump version to 2.3.2

* 2.3.2 changelog

* Update output for 2.3.2

2.3.1 (jashkenas#5069)

* Update links to use https://coffeescript.org

* 2.3.1 changelog

* Bump version to 2.3.1; update output

* Forgot one

* Another one

* Lock Babel versions for Node 6 build to succeed, until Babel 7 is out

2.3.0 (jashkenas#5043)

* Move analytics initialization into docs.coffee

* Bump Bootstrap and CodeMirror versions

* Update output

* Merge CodeMirror styles

* Update CodeMirror styles

* Better flexbox layout for docs, including flex auto-sized sidebar and main column

* Minor styling fixes for Edge

* Fix scrollspy for new layout

* Update output

* Clicking on the CoffeeScript logo in the navbar should scroll to top; fix main column width on mobile

* Update output

* 2.3.0 changelog

* Update operators section for **

* Update docs for ES2018 object rest/spread

* Remove references to Node's experimental modules support

* Move the README coffee cup to the right side, so our name isn't cut off on the NPM page; update README and CONTRIBUTING text

* Update dependencies

* Add compatibility note for async generators

* Bump version to 2.3.0 and update output

* Have CI test in Node 10 instead of 9

* Somehow this gets generated slightly differently in Node 10

* Fix jashkenas#4042: Update broken link

2.2.4 (jashkenas#5025)

* Update changelog for 2.2.4

* Bump version to 2.2.4; update output

2.2.3 (jashkenas#5010)

* Bump version to 2.2.3; update packages

* Update output

* Update changelog

2.2.2 (jashkenas#4986)

* Changelog for 2.2.2

* Bump version to 2.2.2

* Bump dependencies

* Update output

2.2.1 (jashkenas#4885)

* 2.2.1 changelog

* Bump version to 2.2.1 and update output

2.2.0 (jashkenas#4873)

* Changelog for 2.2.0

* Bump version

* Bump package versions

* Fix `cake doc:source` for Docco 0.8.0

* Update output; some text tweaks

2.1.1 (jashkenas#4835)

* Bump version to 2.1.1

* 2.1.1 changelog

* 2.1.1 updated output

2.1.0 (jashkenas#4823)

* Changelog for 2.1.0; remove text from objects section that is no longer valid for CS2/ES2015.

* Update packages

* 2.1.0 build

* Update output

* Correct reference to `//` division, per coffeescript6/discuss#39 (comment)