up to 11.8.0
updated FHS patch
up to 11.8.2, updated files
split knife to separate package
update chef 11.8 deps from gem
fix FHS path of cache and backups
chef-zero is optional for typical chef-client run
drop unneccessary pinned deps from .gem
up to 11.8.2

Merged branch 'dev-11.8'

Conflicts:
	chef.spec