Bug#798390: setup-storage Failing, throwing "Command had non-zero exit code" after sfdisk command

[Thomas Lange]

In FAI 4.4 we will replace the sfdisk call with a parted call to set
the the bootable flag. Here's the commit:
https://github.com/faiproject/fai/commit/ced06d6c1909369c6108045a1b87fd31f5c87c91
-- 
regards Thomas