MFH: r363770

- Update to 3.0.17

Changes:
  * Workaround regression with pkg-1.3 causing all packages to have new options.
  * distclean: Fix some false-positives
  * Fix dead link in poudriere.conf
MFH: r368336

- Update to 3.0.18

Changes:
  * Add a check for 3.1 repository and reject the build. 3.0 does not know
    how to handle 3.1's repository format. Downgrading is not supported
    at this point.
  * Allow securelevel>=1 with USE_TMPFS=all
  * Add a warning that DEVELOPER=yes is ignored in lieu of bulk -t/testport
MFH: r368387

- Update to 3.0.19

Changes:
  * Fix improper call to 'msg_warn'. Bad backport from 3.1.

Reported by:	sunpoet
MFH: r366334

- Update to 3.17.7

Changes:
  * Use PM_SU_CMD for pkg set -o