Added support for serverside rendering of members content (#10522)

no-issue

- Added member auth middleware to siteApp
- Passed member as context in routing service
- set Cache-Control: private for member requests
- fucked up some tests
- Added member as global template variable
- Updated tokens to have expiry of subscription_period_end

ghost/members-auth-pages/components/MembersProvider.js

@@ -48,7 +48,6 @@ export default class MembersProvider extends Component {
             return this.ready.then(() => {
                 return new Promise((resolve, reject) => {
                     this.gateway.call(method, options, (err, successful) => {
-                        console.log({method, options, err, successful});
                         if (err || !successful) {
                             reject(err || !successful);
                         }