Mormonism! Navajo!

-'Latter-Day Saints' religion group added
-Navajo lands switched to Mormonism. Can likewise be treated as filler,
as the Ghost Dance faith was preceding it.
-Nauvoo, IL added to La Moine province, replaces b_carthage_IL as one of
the holdings present at game start there.
-Rulers added for Navajo and Hopi lands.
-Two religious icons added for the Mormons.
-Navajo and Hopi dynasties added.