fix: update core and apply stricter tslint rules

src/polyfills.ts

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2018 StApps
+ * Copyright (C) 2018, 2019 StApps
  * This program is free software: you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the Free
  * Software Foundation, version 3.
@@ -32,7 +32,9 @@
  * BROWSER POLYFILLS
  */
 
-/** IE9, IE10 and IE11 requires all of the following polyfills. **/
+/*
+ * IE9, IE10 and IE11 requires all of the following polyfills.
+ */
 // import 'core-js/es6/symbol';
 // import 'core-js/es6/object';
 // import 'core-js/es6/function';
@@ -54,27 +56,23 @@
 /** IE10 and IE11 requires the following for the Reflect API. */
 // import 'core-js/es6/reflect';
 
-
-/** Evergreen browsers require these. **/
+/*
+ * Evergreen browsers require these.
+ */
 // Used for reflect-metadata in JIT. If you use AOT (and only Angular decorators), you can remove.
 import 'core-js/es7/reflect';
 
-
 /**
  * Required to support Web Animations `@angular/platform-browser/animations`.
  * Needed for: All but Chrome, Firefox and Opera. http://caniuse.com/#feat=web-animation
- **/
+ */
 // import 'web-animations-js';  // Run `npm install --save web-animations-js`.
 
-
-
 /***************************************************************************************************
  * Zone JS is required by Angular itself.
  */
 import 'zone.js/dist/zone';  // Included with Angular CLI.
 
-
-
 /***************************************************************************************************
  * APPLICATION IMPORTS
  */