By Marice Richter GRAPEVINE, Texas (Reuters) - The Boy Scouts of America voted on Thursday to lift a century-old ban on openly gay scouts in a major victory for gay rights activists, but the decision means a sea of change for an organization that depends heavily on faith-based groups. More than 60 percent of the group's National Council, comprised of some 1,400 delegates, voted in favor of ending the ban, effective January 1, 2014, the group said in a statement. A prohibition on openly gay adult leaders remains in place. ...