Version 2.4.0 release#932

Merged

samtstern merged 8 commits intomasterfrom

version-2.4.0-release

Sep 28, 2017

Commits on Sep 1, 2017

Fix duplicated callback events in DonePressedListener (#885)

SUPERCILEX
authored and
samtstern
committed
Fix tons of bugs relating to null `snapshot.value`s and improve perf for good citizens (#871)

SUPERCILEX
authored and
samtstern
committed

Commits on Sep 7, 2017

Merge pull request #895 from firebase/master
samtstern
authored

Commits on Sep 12, 2017

Remove io.fabric.ApiKey override (#905)

Andrea Falcone
authored and
samtstern
committed

Commits on Sep 14, 2017

Default phone (#906)

yramanchuk
authored and
samtstern
committed

Commits on Sep 27, 2017

Allowing default country code and national phone number (#919)

Jacob Stimes
authored and
samtstern
committed

Commits on Sep 28, 2017