Move #666 to $greytext in UIColor

Summary: Split some of these up for safe regexes.

Test Plan: reload celerity

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6858
UIColor Blues and common color integration

Summary: This adds standard 'blues' and start integration of standard colors for text, backgrounds, and borders.

Test Plan: sb

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6857
Move #888 and #999 to $lightgreytext

Summary: Moves lighter grey text to a common color.

Test Plan: sandbox, review diff

Reviewers: epriestley, btrahan, mutech.aka

Reviewed By: mutech.aka

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6859
Allow Diviner groups to be configured in `.book` files

Summary:
Ref T988. Currently, every class/function needs to be annotated with `@group`, but 99% of this data can be inferred from file structure, at least in this project. Allow group specifications like:

  "paste" : {
    "name" : "Paste",
    "include" : "(^src/applications/paste/)"
  }

..to automatically put everything defined there in the "paste" group. A list of regexps is also supported. Depends on D6855.

Test Plan: Regenerated documentation with `bin/diviner generate --book src/docs/book/phabricator.book --clean`, observed all Paste stuff go in the paste group.

Reviewers: btrahan

Reviewed By: btrahan

CC: aran

Maniphest Tasks: T988

Differential Revision: https://secure.phabricator.com/D6856
Fix spacing, color in Conpherence Pontificate button

Summary: Spacing got broken during forms update.

Test Plan: View Conpherence

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6863
User preference for time format

Summary: Also, don't try to load prefs for non-users.

Test Plan: toggle, save, look at something with a time. arc unit.

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6796
Maniphest - fix fatal in custom query for users with no projects

Summary: See https://github.com/facebook/phabricator/issues/380 for report.

Test Plan: Maniphest -> Custom Query -> Put user with no project in "Any User Projects" field -> Search : observe no fatal

Reviewers: epriestley

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6862
More grey text updates

Summary: More grey tweaks, breaking these up so I can test and tweak each as needed.

Test Plan: Review pages.

Reviewers: epriestley, btrahan

Reviewed By: epriestley

CC: Korvin, aran

Differential Revision: https://secure.phabricator.com/D6866