Imports
- golang.org/x/oauth2/google
- github.com/spacemonkeygo/errors
- github.com/gorilla/sessions
- github.com/spacemonkeygo/spacelog
- golang.org/x/oauth2
- golang.org/x/oauth2/facebook
- golang.org/x/oauth2/github
- golang.org/x/oauth2/linkedin
- golang.org/x/net/context