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.
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Reviewers: epriestley
Reviewed By: epriestley
Subscribers: Korvin
Differential Revision: https://secure.phabricator.com/D15269