Summary: Fixes 2x white icons, adds 'user' and 'project' icons.
Test Plan: tested new states in Maniphest
Reviewers: epriestley, btrahan
Reviewed By: epriestley
CC: Korvin, aran
Differential Revision: https://secure.phabricator.com/D7176
Summary: Removed shadow from white icons, made some new ones for maniphest, cleaned up a few old ones.
Test Plan: uiexamples, photoshop
Reviewers: epriestley, btrahan
Reviewed By: epriestley
CC: Korvin, aran
Differential Revision: https://secure.phabricator.com/D7106
