The Town Committees in Danbury have nominated down ballot candidates for  November's municipal elections.  The Democratic party has nominated Henry Hall for Treasurer and Party chairwoman Andrea Gartner for Town Clerk.  The Republican party has nominated two incumbents to run for another term.  Town Clerk Jan Giegler and City Treasurer Dan Jowdy each secured nominations this week.  The two parties also nominated slates of candidates for the City Council, Board of Education and Zoning Commission.