Added host-specific script to be run from /flash/flashrd.host
Changed test for when onetime.tgz should be un-tar'd
Added a call to a script in /etc/rc.flashrd.conf that will be run
as part of the onetime process, /flash/flashrd.host
Added an example flashrd.host, for a script that will take care
of host-specific one-time steps.
moved all onetime actions to /etc/rc.flashrd.onetime
added build_onetime script to simplify maintenance of machine config tree
ignore onetimeBase
move onetime actions into separate file
modify flashrd to copy separate file into image
fixed a couple of typos