Generified the signature of the 2 ObjectHelper.notNull() methods so that ppl don't have to type cast the returned values anymore, e.g. Foo foo2 = ObjectHelper.notNull(foo1, name) where foo1 is of the type 'Foo'.  This public API change is binary backward compatible.
CAMEL-6384: Added BacklogDebugger MBean for live debugging of Camel routes. Work in progress.