reenabled production config and precompiled assets
Revert "reenabled production config and precompiled assets"

This reverts commit 3b5738fda25272f28ee5ca353625a4485ef08bd8.
added facebook login with omniauth
adding user facebook login
before filter
skip login before filter unless production
redirect login to auth/facebook
redirect login to /auth/facebook
omniauth stuff
omniauth stuff
omniauth stuff
omniauth stuff
omniauth stuff
omniauth stuff
omniauth stuff
debug oauth logging
debug oauth logging
login route
return 403 if not logged in, let client choose auth schema!
login route