Merge pull request firebase#293 from samtstern/master

Version 0.5.3

Merge pull request firebase#284 from samtstern/master

Version 0.5.2

Version 0.5.1

Change-Id: I6245c685c538b37fe2afe5b053e84ddb6afdcc0c

Version 0.5.0

Change-Id: Ib77ca9a8167272f901dfed7892bcd85c40406b6f

Version 0.4.4

Version 0.4.3

Change-Id: I34d487a2f3c850391cdebb302253f4130b647bbb

Version 0.4.2

Version 0.4.1

Change-Id: I83e8d325e6775037f5ad500fe5bd03cbd012055c

Version 0.4.0

Update version number for release 0.3.1