Merge pull request #17 from cybrxkhan/master

Switcheroo
Added gnostic sympathy to vassal conversion event
Updated PB West African events

The Vanilla and PB versions are now identical and could be moved to
Common if you don't plan on changing the West African map in the future.
Merge pull request #18 from thefinestsieve/beta

Conversion and West African tweaks
Moved Backgrounds Back to Immersion
Added in Sogdian Colony province modifier localization
Moved avatars.gfx back to Immersion

The Last Airbender
Merge pull request #19 from cybrxkhan/beta

Beta