Normalize colors a bit better on Profiles/Projects, add Workboard backgrounds

Summary: Cleans up the backgrounds a little on Projects/Profiles and adds a number of colour choices for Workboards.

Test Plan:
Manually add each color for testing. Test new project / profile layouts with and without properties.

{F1109325}

{F1109326}

{F1109327}

{F1109328}

Reviewers: epriestley

Reviewed By: epriestley

Subscribers: Korvin

Differential Revision: https://secure.phabricator.com/D15269

src/applications/people/controller/PhabricatorPeopleProfileViewController.php

@@ -115,7 +115,7 @@ final class PhabricatorPeopleProfileViewController
     }
 
     $view = id(new PHUIBoxView())
-      ->setColor(PHUIBoxView::GREY)
+      ->setBorder(true)
       ->appendChild($view)
       ->addClass('project-view-properties');