Remove duplicate -config param

This is duplicated in cluster/saltbase/salt/kubelet/default
cluster/saltbase/salt/kubelet/initd
Merge pull request #813 from thockin/cleanups

Remove duplicate -config param
Enforce --address flag is set on all Linux flavors
Merge pull request #824 from derekwaynecarr/fix_kubelet_in_vagrant_env

Enforce -address flag is set on all Linux flavors
Add support for "run in"
Merge pull request #825 from brendandburns/runin

Add support for "run in"