<rhwang@bigpanda.com> and Mikhail Teterin <mi@aldan.ziplink.net>.
Thomas Gellekum <thomas@ghpc8.ihf.rwth-aachen.de> and I merged these
ports and modified it.
TIFF 3.4 does not seem to be completely compatible with tiff 3.3, so
we decided to make separate port for this version.
Special thanks goes to tg, for reviewing and intensively testing.
(Closing PR #2057.)
