Log Message:
Update to 0.67.0

  pkg_summary2leaves:
    - new option -u for printing packages installed by user
    - option -r does not implies -a any longer

  pkg_grep_summary:
    - new option -E and "-t nonempty" for matching non-empty fields

  Fixes in tests

  Minor code clean-ups and coding style correction in grep_summary.c

  COPTS defaults to "-O3 -g"

  root Makefile: BMAKE variables defaults to "bmake"