update to latest HEAD
- Again, lots of groups UI changes/fixes thanks to Adam.
- Add "groups mark blacklist" command to get out of the upgrade problem.
- Tell users how to mark install/remove groups without packages.
- Show install groups as well as upgrading groups in transaction output.
- Fix mark-convert-whitelist, and add mark-convert-blacklist (default).
- Fix typo with simple groups compile of environment with only options.
- Pass the ievgrp to groups for new installed envs., so they belong. BZ 1043231.
- Don't confuse "group info" output by giving data for optional when it's off.