* Optimize loading. min bundles, stop double-loading, rxjs-system instead of
plain rxjs, clean up 404's
* Create module loading hierarchy. Allows for lazy loading.
* Upgrade NG, remove jquery, load keycloak.js only from auth/js
* Delay systemjs loading. Load home page instead of account.
* KEYCLOAK-6496: Cleanup and polish code after optimizations.
* Fix message bundle to be back the way it was.
* Remove unused png's. Remove comments in index.ftl. Remove javaMessages.
