Remove ineffective FindBin and use lib

Our use of FindBin and use lib was not actually having any effect,
so remove it for now. It may be worth revisiting later.

Signed-off-by: Jeff Godin <jgodin@tadl.org>
Initial dummy auth endpoint

/api/auth.json

Returns a {token: "some fake token"} json value

Intended for POST, but also accepts GET values for now.

Signed-off-by: Jeff Godin <jgodin@tadl.org>