ENH: Update DTIAtlasBuilder from revision fe47ddefe0ee6ca7817a10682c75dd567617aeef to 8a6de426afbd60f6301068258a5688bf19721a4e

https://www.github.com/NIRALUser/DTIAtlasBuilder/compare/fe47ddefe0ee6ca7817a10682c75dd567617aeef%E2%80%A68a6de426afbd60f6301068258a5688bf19721a4e