Atlanta media has been in a frenzy hyping the city’s new sports venues — the Braves’ new stadium opened to great acclaim, even if getting there is a challenge; the Falcons’ new home is delayed by problems with its fancy new roof and may not open until fall. Meanwhile, Gainesville celebrated its own new sports facility this spring. Brenau University on Tuesday dedicated its new Ernest Ledford Grindle Athletics Park in New Holland.