GUACAMOLE-1594: Update all Java and JavaScript dependencies to latest compatible.

NOTE: Several WebPack plugins could not be updated as all plugins within
WebPack's "webpack-contrib" have dropped support for WebPack v4
entirely, but Closure Compiler only supports WebPack v4.

doc/licenses/zxing-3.5.0/NOTICE

@@ -0,0 +1,7 @@
+Barcode4J
+Copyright 2002-2010 Jeremias Märki
+Copyright 2005-2006 Dietmar Bürkle
+
+Portions of this software were contributed under section 5 of the
+Apache License. Contributors are listed under:
+http://barcode4j.sourceforge.net/contributors.html