FIX: Debian chroot fails to start up slow scripts

This script starts all Debian chroot services defined via the DSM Debian chroot web interface. If an init.d script didn't return immediately, it would wait on the script, except it doesn't seem this was ever tested as the time package is never imported. When this script would wait on a slow init.d script, it would throw an exception and error out. I discovered this while trying to run ElasticSearch on startup.