Fix OpenID redirect for GET method.
Fix OpenID redirect for GET method.

When redirecting a GET request from direct to indirect OpenID servers,
include the query string in the redirect URL to avoid data loss.

tcmitchell/geni-portal,charliemeyer/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal,tcmitchell/geni-portal,tcmitchell/geni-portal,charliemeyer/geni-portal