Removes utils package. Fixes #129
Inlines getRootInjector - had a single callsite
Gives Mediators more lifecycle hooks. Fixes #133
Moves lifecycle handler guarding into lifecycle. Removes ensureContextUninitialized.
Internalises MessageDispatcher
Cleans up MessageDispatcher tests
Renames globally() to onDefaultChannel()
Removes ScopedEventDispatcherExtension - replaced by ModularityExtension's ModuleConnector
Adds mapping processing to EventCommandMap and DirectCommandMap
Brings simple MediatorCreator in line with MediatorMap mediator lifecycle
Hides MediatorMap internals
Bumps version to 2.0.0b7
Updates asdocs