T. Collaboration, K. Bechtol, A. Drlica-Wagner, E. Balbinot, A. Pieres, J. Simon, B. Yanny, B. Santiago, R. Wechsler, J. Frieman and 83 other author(s). (2015)cite arxiv:1503.02584Comment: 33 pages, 12 figures, 3 tables. Submitted to ApJ. Readers may be interested in the concurrent work by Koposov, Belokurov, Torrealba, & Evans. Indirect dark matter search results are presented in Drlica-Wagner, Albert, Bechtol, Wood, Strigari, et al. (The LAT and DES Collaborations).