Add events to allow mods to control created characters

Client-Side Events

beforeCreateCharacter

Fired before the client tells the server to create a character

{
	name: '(string) The character name',
	class: '(string) The spirit name',
	skinId: '(string) The skin id',
	prophecies: '(array of strings) An array of selected prophecies'
}

Server-Side Event

beforeSaveCharacter

Fires before the server saves the new character to the DB

{
	obj: '(object) the character object to save',
	config: '(object) the original config that the client sent through to the createCharacter method'
}

Also done in this task

• Fixed a circular reference warning caused by the threadManager