SAML support (#3494)

* PLT-3073: Implement SAML/Okta Server side (EE) (#3422)

* PLT-3137 Support for SAML configuration

* PLT-3410 SAML Database Store

* PLT-3411 CLI to add Identity Provider Certificate and Service Provider Private Key

* PLT-3409 SAML Interface for EE

* PLT-3139 Handle SAML authentication server side

* Add localization messages

* PLT-3443 SAML Obtain SP metadata

* PLT-3142 Login & Switch to/from SAML

* Remove Certs for Database & Clean SAML Request

* Make required Username, FirstName and LastName

* PLT-3140 Add SAML to System Console (#3476)

* PLT-3140 Add SAML to System Console

* Move web_client functions to client.jsx

* Fix issues found by PM

* update package.json mattermost driver

* Fix text messages for SAML

webapp/routes/route_admin_console.jsx

@@ -15,6 +15,7 @@ import LogSettings from 'components/admin_console/log_settings.jsx';
 import EmailAuthenticationSettings from 'components/admin_console/email_authentication_settings.jsx';
 import GitLabSettings from 'components/admin_console/gitlab_settings.jsx';
 import LdapSettings from 'components/admin_console/ldap_settings.jsx';
+import SamlSettings from 'components/admin_console/saml_settings.jsx';
 import SignupSettings from 'components/admin_console/signup_settings.jsx';
 import LoginSettings from 'components/admin_console/login_settings.jsx';
 import PublicLinkSettings from 'components/admin_console/public_link_settings.jsx';
@@ -90,6 +91,10 @@ export default (
                 path='ldap'
                 component={LdapSettings}
             />
+            <Route
+                path='saml'
+                component={SamlSettings}
+            />
         </Route>
         <Route path='security'>
             <IndexRedirect to='sign_up'/>