Passphrase v0
Summary:
Ref T4122. Implements a credential management application for the uses described in T4122.
@chad, this needs an icon, HA HA HAHA HA BWW HA HA HA
bwahaha
Test Plan: See screenshots.
Reviewers: btrahan, chad
Reviewed By: btrahan
CC: chad, aran
Maniphest Tasks: T4122
Differential Revision: https://secure.phabricator.com/D7608