Lifecycle Event System (#9629)

* registering stuff event system

* simply by removing a ton of unneeded generics

* separate RegistryEvent and RegistrarEvent

* add logic for removing hooks when a plugin is disabled

* cleanup more

* swap around the way things are registered

* block further hook registrations for JavaPlugin

* Slightly more extensible to support registry mod API

* rename some types

* more moving/renaming

* remove 'hook' name

* Rename to 'lifecycle'

* move more impls for the server

* add priorities

* added lock for bootstrap event registration

* slight refactor to allow 'register anywhere' event types

* Move event type list to server impl

* use builder pattern to create event handler configurations

* add some more javadocs

* fix some issues, slight refactors

* call predicate and method renames

* add owner aware events

* rebased and refactored owner aware events

* add single helper method for registering simple handler

* compile fixes

* check owner and fix generics on register helper

* javadoc fixes and a few type renames

* more javadoc fixes

* move service loader file to correct location

* rename to Monitorable and Prioritizable

* add invalidation system for events after running them

* block reloading plugins in certain situations

* update test plugin

* remove dummy events

* rebase