replace some of the status.im theme with general config options

src/components/views/login/VectorLoginFooter.js

@@ -27,6 +27,7 @@ module.exports = React.createClass({
     },
 
     render: function() {
+        // FIXME: replace this with a proper Status skin
         if (UserSettingsStore.getTheme() === 'status') return <div/>;
         
         return (

src/vector/index.js

@@ -332,7 +332,7 @@ async function loadApp() {
                 config={configJson}
                 realQueryParams={params}
                 startingFragmentQueryParams={fragparts.params}
-                enableGuest={true}
+                enableGuest={!configJson.disable_guests}
                 onTokenLoginCompleted={onTokenLoginCompleted}
                 initialScreenAfterLogin={getScreenFromLocation(window.location)}
                 defaultDeviceDisplayName={platform.getDefaultDeviceDisplayName()}