Changelogv2c0c1r16

• Added LAN discoverability for locally hosted rooms.
• Fixed username logging twice in text chat.
• Fixed Spawner OnObjectSpawned event being called when it spawns for others.
• Changed Spawner OnObjectSpawned event to be invoked before syncing the object.
• Changed Assets to not be imported at startup and instead be referenced by guid by gui.
• Changed error for "Missing port for" to include an explanation.