Denver is the fifth best market for sellers of homes in the nation, and Northglenn is the top sellers' market within the Denver metro, according to a new report from Zillow.com. Within metro Denver, Evergreen is the top buyers' market, the report said. Top sellers' markets are not necessarily those where home values are rising, the report said, but instead are those in which homes are on the market for a shorter time, where price cuts occur less frequently and homes are sold at prices very close…