Revamp Projects with new navigation

Summary:
A refresh of Projects including a new navigations UI.

• New Navigation UI.
• Auto switch default page if Workboard has been initialized
• Move Feed to it's own page
• Increase 'tasks' on Project Home to 50 over 10
• Fix various display bugs on Workboards
• Remove 'crumbs' from Project portal (unneeded).

Test Plan:

• clicked a link for a project with no workboard and saw the profile
• clicked a link for a project with a workboard and saw the workboard
• navigated around the various edit pages, inspecting links and making sure things linked back to the new profile uri

Reviewers: epriestley, btrahan

Reviewed By: epriestley, btrahan

Subscribers: Korvin, epriestley

Differential Revision: https://secure.phabricator.com/D11272