A few more proxy tests
Fixes FORGE-1203 - Furnace cannot proxy services backed by Weld proxies.
FORGE-1202: includeTransitiveAddons is now implemented and enabled by default
Completed FORGE-1111 - Implement a test to verify error scenario when multiple AddonLifecycleProviders registered
Implement FORGE-1206 - Imported<?>.get() has a different behavior compared to iterator()
Added a brief tutorial for how to use Furnace
Removed duplicate dep from example
Add payload to events
Fix isAmbiguous() renamed isSatisfied() --> isUnsatisfied() for consistency