Summary:
Ref T1703.
- Adds "Title".
- Adds "Blurb".
- Adds `user.fields` config for selecting and reordering. This will get UI in the next patch.
Test Plan:
{F45689}
{F45690}
Edited the fields, too.
Reviewers: chad
Reviewed By: chad
CC: aran
Maniphest Tasks: T1703
Differential Revision: https://secure.phabricator.com/D6153
