Merge pull request firebase#1172 from firebase/version-3.2.2-release

Version 3.2.2

Merge pull request firebase#1122 from firebase/version-3.2.1-release

Version 3.2.1

Version 3.2.0

Version 3.1.3

Version 3.1.2 (firebase#1063)

Version 3.1.1 (firebase#1055)

Merge pull request firebase#984 from firebase/version-3.1.0-dev

Version 3.1.0

Fix common publishing (firebase#944)

Merge pull request firebase#932 from firebase/version-2.4.0-release

Version 2.4.0 release

Merge pull request firebase#872 from firebase/version-2.3.0-release

Version 2.3.0