Summary: Ref T4379. Major goal here is to remove `ProjectProfile` so all edits use ApplicationTransactions. This also makes things more flexible, allowing users to disable this field if they don't like it.
Test Plan: Ran migration, verified data survived, edited/created projects, reordered fields.
Reviewers: btrahan
Reviewed By: btrahan
CC: aran
Maniphest Tasks: T4379
Differential Revision: https://secure.phabricator.com/D8182
