Enabling Closure Compiler.
What is Closure Compiler?
Why use closure compiler?
How to enable Closure Compiler?
All that is required to enable CC for GWT compilation is to build magnolia_ui project with Maven with a gwt-compile-production profile enabled. The profile is auto-enabled for the builds where BUILD_NUMBER property is specified (set by Hudson). Note that GWT compilation with CC enabled takes much longer time than usual.