Condo sales are reheating in downtown Reno.Just as the single-family residential real estate market has finally found its legs in northern Nevada, sales of downtown condominiums are trending upward in sales as well as pricing.Eager developers jumped on the condo craze in the mid- to late 2000s and flooded the downtown market with hundreds of new condominium residences. For the most part, though, they missed the real estate bubble and brought their properties online just as the northern Nevada housing market began its long downward slide.The majority of downtown condominiums sat dark for years. Major condominium properties developed in downtown …