BUG: Fix redirecting from FAQ - issue #292

The problem was the redirect I added for people to be sent to the
homepage whenever they went to localhost:8888 if they already had an
open an valid session.

Fixes #292
Merge branch 'master' of git://github.com/biocore/american-gut-web into issue-292

Conflicts:
	amgut/templates/no_auth_sitebase.html
Merge pull request #297 from ElDeveloper/issue-292

BUG: Fix redirecting from FAQ - issue #292