+ back out my `iso' target + allows one to set _R so one can more easily make an iso after the fact,   in the directory `make release' was issued in + changes name from miniboot to miniinst since we make other bootable ISOs   also (and we might confuse someone)
+ back out my `iso' target
+ allows one to set _R so one can more easily make an iso after the fact,
  in the directory `make release' was issued in
+ changes name from miniboot to miniinst since we make other bootable ISOs
  also (and we might confuse someone)

Approved by:	jkh

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