Minnesota’s housing market is in the doldrums — with one exception — developers of housing for the state’s growing elderly population continue to break ground on new projects. Older folks with money have plenty of housing options. However, the Department of Human Services estimates more than half of the state’s senior residents don’t have enough money to cover their retirement costs, and their housing options are much less clear. The housing picture for older Minnesotans with disposable income looks pretty good at Ecumen’s brand new facility, The Seasons at Maplewood…