Rewrite phone auth with new architecture and finalize progress revamp#1253

Merged

samtstern merged 19 commits intofirebase:version-4.1.0-devfrom SUPERCILEX:phone-rewrite

May 31, 2018

+895-1,675

Commits on Apr 12, 2018

Rewrite phone auth with new architecture
SUPERCILEX
committed

Commits on May 8, 2018

Commits on May 30, 2018

Commits on May 31, 2018

Merge remote-tracking branch 'upstream/version-4.1.0-dev' into phone-rewrite
SUPERCILEX
committed