2.06.3:zeress:127 Jewish + Zoroastrian Fixes and Tweaks

- The Samaritan High Priesthood is activated from the start
- The three major Jewish events have been slightly tweaked
- The Zhayedan will now copy the culture of the person who enacts the
decision
- No longer need to be emperor of Persia for certain Zoroastrian
decisions, although you still need to be an emperor
- The Zhayedan will now properly adopt the same religion as the person
enacting the decision