Marionette provides a set of configuration options that dictate the behavior of the framework as a whole.
Maintains a reference to the version of a Marionette instance. Marionette.VERSION is used by unit tests to direct users to the correctly versioned documentation when errors are thrown.
A boolean flag (default is false) used by unit tests to handle calls to Marionette.deprecate(). If the flag is set to true, deprecation console warnings are issued at runtime.