Temporary adds backwards compatibilty support for users that upgraded to new Multiverse 5 version, but have 3rd-party plugins that still hooks into old Multiverse API.

Tested working plugins

• StayPut
• DiscordSRV
• eco
• Dynmap-Multiverse
• SavageDeathChest
• BentoBox (v3.3.5 or later)
• TrainCarts

Implemented v4 API classes

[Multiverse-Core]

• MVPlugin
• Core
• MultiverseWorld
• MVWorldManager
• MVRespawnEvent
• MVWorldDeleteEvent
• AnchorManager
• MVDestination
• DestinationFactory
• MVPlayerTouchedPortalEvent
• MVTeleportEvent
• AnchorManager

[Multiverse-Inventories]

• GameModeChangeShareHandlingEvent
• WorldChangeShareHandlingEvent
• WorldGroupManager
• WorldGroup

[Multiverse-Portals]

• MVPortalEvent
• MVPortal
• PortalManager
• PortalLocation
• MultiverseRegion