Increment version in package.json to 0.15.1

Add `maint/0.14` to AppVeyor build branches

Fix windows build

Bump to version 0.14.0

Bump to 0.13.2

Bump to 0.13.1

Format `CHANGELOG.md` to be easier to link to

Bump to 0.12.2

Bump to 0.12.1

Bump to 0.12.0