Add Branch and Arcanist Project CustomFields

Summary:
Ref T2222. These are pretty straightforward.

For these fields and a few others, the existing code shows the value for the "current/manual" diff (i.e., the diff selected in the diff selection table), not the "active" diff (i.e., the most recent diff attached to the revision). I'm going to drop that for now (always showing the most recent diff instead) and then reevaluate it once we're switched over. In 95% of cases these are the same, anyway.

Test Plan: Looked at fields; this diff changes nothing on its own.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2222

Differential Revision: https://secure.phabricator.com/D8359
Use CustomField, not AuxiliaryField, to power RevisionView

Summary: Ref T2222. This will probably have some rough edges for a bit (e.g., weird cases I didn't remember or think of), but there's no change to the underlying data and we can easily revert if things get too messy.

Test Plan: Looked at a variety of revisions and saw sensible output.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2222

Differential Revision: https://secure.phabricator.com/D8361
Add modern Unit/Lint field support

Summary: Ref T2222. This is mostly copy/paste. No effect yet.

Test Plan: Looked at fields.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2222

Differential Revision: https://secure.phabricator.com/D8360
Use "CommentPro" controller instead of "Comment" controller

Summary: Ref T2222. This will probabaly have a few rough edges too, but seems to work well.

Test Plan:
  - Made a bunch of comments while building this.
  - Made some new comments.
  - Verified that the Asana/JIRA integration is only a little bit janky, not completely broken.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2222

Differential Revision: https://secure.phabricator.com/D8362
Make new JIRA Issues field editable

Summary: Ref T2222. This updates the new JIRA field to be editable.

Test Plan: Used `/editpro/` to edit associated JIRA issues.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2222

Differential Revision: https://secure.phabricator.com/D8364
Automatically verify the setup account's email address

Summary: Although the defaults don't require a verified email address, it's easy to lock yourself out by accident by configuring `auth.require-email-verification` or `auth.email-domains` before setting up email. Just force-verify the initial/setup account's address.

Test Plan: Went through setup on a fresh install, saw address verify.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Differential Revision: https://secure.phabricator.com/D8365
Improve threading of new and old Differential mail

Summary: Ref T2222. This should help new mail thread properly with old mail.

Test Plan: Will push.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2222

Differential Revision: https://secure.phabricator.com/D8367
Improve rendering of new-style Differential comments in feed/notifications

Summary: Ref T2222. This probably doesn't get everything, but should improve many of the newer transactions.

Test Plan: Looked at feed after making some edits.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T2222

Differential Revision: https://secure.phabricator.com/D8368
Align textarea in diff comment

Summary: Better aligns the text area when leaving an inline comment. Also, phts

Test Plan: reload page, view new padding.

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, epriestley, aran

Differential Revision: https://secure.phabricator.com/D8370
Merge branch 'master' of http://github.com/facebook/phabricator