kubectl-1.9.8-2.1

- Get the commit id from the obsinfo file.
  This way this is automatic and we don't have a regression
  of bsc#1065972

- initial commit in order to split kubectl package
  (fix bsc#1097473 and bsc#1101010 and fate#325820)
  add lintrc filter to avoid conflict with kubernetes-client package which is built in SLE12 but not shipped in SLE12