spark-2.0.0-preview-bin-hadoop2.4-without-hive.tgz: 
6276E531 0F0D7FF4 8FC989BC C6EE22BA BF7F25B6 C5ED4369 D50F4C80 9C6F8CAA 9E12B54F
 2D5E96F9 D48C76B1 9AF8650A B05CF7D5 60BC2715 4FC961D7 35DE6863