Update vortexes

Fix some vortexes (Zecoras, Cloudsdale->Canterlot, ...)

Vortexes and scenes can now have spaces in their names.
Added vortexes for Twilight's library

Fixes #5
Implement /stuck chat command.
Sending "/stuck" or "unstuck me" will reload the scene (for good measure) and teleport you at the scene's spawn
Update DLL readme/infos.txt