Add project tags to Pholio
Summary: T2628, adding project tags to pholio mocks
Test Plan: Create pholio mock, add project tag, save, project tag should show in mock properties on mock view.
Reviewers: epriestley, Blessed Reviewers
Reviewed By: epriestley, Blessed Reviewers
Subscribers: epriestley, Korvin
Differential Revision: https://secure.phabricator.com/D9420