Rename more project -> product in Releeph

Summary:
Ref T3549.

• Renames most "project" in view/list controllers.
• Moves away from "ProjectController".
• Modernizes some modern UI.

Test Plan:

• Viewed product lists.
• Viewed product detail pages.

Reviewers: btrahan

Reviewed By: btrahan

Subscribers: epriestley

Maniphest Tasks: T3549

Differential Revision: https://secure.phabricator.com/D8635