11626 introduce /etc/versions/build
11627 clean up UUID code for ::status

*** 16,25 ****
--- 16,26 ----
  etc/path_to_inst
  etc/rtc_config
  etc/system
  etc/system.d
  etc/hostid
+ etc/versions
  kernel
  platform/i86hvm/kernel
  platform/i86pc/kernel
  platform/i86xpv/kernel
  platform/i86pc/ucode/GenuineIntel