Add more factor details to the Settings factor list

Summary:
Depends on D20033. Ref T13222. Flesh this UI out a bit, and provide bit-strength information for TOTP.

Also, stop users from adding multiple SMS factors since this is pointless (they all always text your primary contact number).

Test Plan:

Reviewers: amckinley

Reviewed By: amckinley

Maniphest Tasks: T13222

Differential Revision: https://secure.phabricator.com/D20034