Live deploy as a nightly version

I've added the live deploy option as a nightly version. This future is enabled by setting the "live-deploy-mode" flag to true.

review @devoncarew @ussuri
Those static methods could just delegate to the singleton. It means that the people outside the class don't have to have as much knowledge about how it works (i.e., they don't have to know that it uses a singelton).