Move x11-wm/transset-df to x11-wm/transset and change upstream to
freedesktop.org. The freedesktop.org version now includes all patches
by Daniel Forchheimer which were distributed as xtransset-df.
Update this port to the latest version from freedesktop.org
Bump PORTEPOCH to prevent versions going backwards.
Trim makefile headers
Transfer maintainership to x11@ 
Approved by: miwi (current maintainer)