Fix distribution for zenoss repo in apt README, fixes COOK-890
Fix distribution for zenoss repo in apt README, fixes COOK-890

beni55/cookbooks,beni55/cookbooks,dagolden/opscode-cookbooks,beni55/cookbooks,beni55/cookbooks,dagolden/opscode-cookbooks,beni55/cookbooks,beni55/cookbooks,dagolden/opscode-cookbooks