Message clarification & cleanup.

Replace the generic 'Done - no available Xs found.' message with two
more relevant ones. Suggested several times, most memorably by Todd@.

a) For selection of disks or cds to install from, and for selection of
the root disk, make it 'No Xs found.'.

b) For processing the list of disks or interfaces to initialize, make
it 'No more Xs to initialize.'.

Delete get_root() as it is only called in one place, and insert code
at that location.

Reclaim a few characters by putting ask_which() punctuation where
message is output rather than repeating it where message passed.

0 files changed, 0 insertions, 0 deletions