2.06.3:zeress:40 867 Aghlabid Tweaks

- Aglhabids given more troops in 867 war to favour them winning the war.
Additonally, should they win the Greek lords leftover in Italy will
become independent from Byzantium, leaving Byzantium weak inheritable
claims on the land. This should better simulate Byzantium's initial
loses (and subsequent regains) in the region.
- 867 Reconquest of Bari by the Carolingian Empire removed (too early
for it to have happened yet)
2.06.3:zeress:41 Shia Uprising Tweak

- Shia Uprising limited to starting shortly after 867 to allow the game
to start up without them potentially instantly popping up