Redo the way secrets.go is handled.
Don't depend on appengine/user during oauth flow.
Serve our own Bootstrap.
Read templates from files.
Cache parsed templates per App Engine instance.
Use templates for the header and footer in html files.
Profile and landing page on root url.

Consolidate the previously separate profile and landing page logic into
a single method. If the user is not logged in, they are shown the
landing page. If they are logged in, then their profile is rendered.