Elections; Requiring that the Secretary of State be elected, rather than appointed, and serve a specified term; requiring the Florida Commission on Offender Review to develop and maintain a database for a specified purpose; authorizing a person who meets certain requirements to register to vote for the early voting period or election day at an early voting site or his or her polling place and cast a ballot immediately thereafter; authorizing the Department of Highway Safety and Motor Vehicles to preregister certain individuals to vote; revising the information a third-party voter registration organization is required to provide to the Division of Elections of the Department of State, etc.