Refresh checksums, increase PORTREVISION
poudriere tested on 10.3, 11.0, HEAD i386 and amd64
started on HEAD amd64 (requires manual setting of LD_LIBRARY_PATH)
marino observed that upstream often re-issues new versions of the distfile without incrementing the version. So he suggested to change MASTER_SITES to some LOCAL/ mirror.
This conflicts with the RESTRICTED rules and makes it busywork to maintain this.
If submitter wants to become maintainer, I'm all for it 8-)