With Atlanta set to get Major League Soccer’s 22 nd team, officials will have to select a logo. When the announcement was made Wednesday that Atlanta will get a franchise, officials said a logo has not yet been selected. MLS.com takes a look at logos of Atlanta’s pro soccer history and ponders “What might Atlanta's MLS franchise look like?" Logos include those of The Atlanta Chiefs, a former team founded in 1967, to today’s Atlanta Silverbacks, which is part of the North American Soccer…