Update module github.com/gorilla/securecookie to v1.1.2

See merge request !29

Might fix a warning.

But make it configurable through a public SameSite field on the sso
Handler object.

Serve Access-Control-Allow-Origin: * headers on /sso_login and
/sso_logout endpoints, to allow sso auto-renewal on AJAX requests.

Update golang.org/x/crypto digest to c86fa9a

See merge request !26

Update golang.org/x/crypto digest to 630584e

See merge request !24

Update golang.org/x/crypto commit hash to 30dcbda

See merge request !23

Update golang.org/x/crypto commit hash to 38f3c27

See merge request !22

This removes a circular dependency between projects.

Update module go.opencensus.io to v0.23.0

See merge request !21

Update golang.org/x/crypto commit hash to 5ea612d

See merge request !20

Update module go.opencensus.io to v0.22.6

See merge request !18

Update golang.org/x/crypto commit hash to b8e89b7

See merge request !19

Update module yaml to v2.4.0

See merge request !15

Update module oschwald/maxminddb-golang to v1

See merge request !16

Update module rs/cors to v1

See merge request !17

Update module mssola/user_agent to v0.5.2

See merge request !13

Update module oschwald/maxminddb-golang to v0.2.0

See merge request !14

Update module elazarl/go-bindata-assetfs to v1.0.1

See merge request !11

Update module gorilla/mux to v1.8.0

See merge request !12